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SJR4 Practical Planetology is an accessory for the Spelljammer Campaign Setting. This accessory provides setting information about fifteen planets. The product consists of one 64 page book and one poster. It was published by TSR Inc. in 1991.

Practical Planetology[]

The Practical Planetology book provides fifteen example worlds that can be incorporated into a Spelljammer game. It also introduces the idea of The Geonomicon, a large and expensive book that contains detailed information about approximately 80 worlds.

Contents[]

  • Chapter 1: Introduction - This chapter mentions: Trevis Pelor, captain of the squidship the Far Star and the book known as The Geonomicon. It also explains the layout of the following chapters.
  • Chapter 2: Earth Bodies - This chapter covers: basic information about earth bodies and has subsections about five earth worlds.
    • Comporellon - This section of the Earth Bodies chapter covers: basic information about Comporellon, climate, appearance from space, continents (including Zilber, Veraine and Panaga), local flora (including unusual blue and violet plants and plants that gain energy from temperature change) local fauna (mostly reptiles), local inhabitants (the ai'ir), other issues (Comporellon's acidic atmosphere), and four adventure ideas.
    • Falx - This section of the Earth Bodies chapter covers: basic information about Falx, climate, appearance from space, continents (of which there is technically only one), surface flora (including mobile plants), surface fauna (exclusively reptile), subterranean life (including myconids and aboleths), local inhabitants (including illithids and their two cities Brain-in-the-Skull and Tentacles-Grip-Tightly, orcs, goblins, dwarves and drow, other issues (Falx's high CO2 atmosphere) and five adventure ideas.
    • Armistice - This section of the Earth Bodies chapter covers: basic information about Armistice (and basic information about its three large moons: Vesta, Lacerne and Vardig), climate, appearance from space, continents (including Ugrek, Taliak, Grishnakh, Toborg and Rakhar), local flora (including lichens, mosses, large plants and poisonous seaweed), local fauna (including creatures similar to remorhaz and tunnel worms and giant fish), local inhabitants (including descendants of the Combined Goblin Fleet forces who surrendered to Aldyn Leafblower during the Unhuman War), other issues (Armistice's high gravity) and five adventure ideas.
    • Radole - This section of the Earth Bodies chapter covers: basic information about Radole, climate (on the Sunside, Darkside and The Ribbon), appearance from space, continents (of which there is technically only one), Sunside fauna (including steelback beetles and mithril dragons), Darkside fauna (including shadows and a sub-species of white pudding), flora and fauna of The Ribbon, local inhabitants (including humans, elves, dwarves and halflings), civilisation (including The Imperial Radole Navy, the Radole Planetary Defense Force and the PDF's Judiciary Committee), other issues (including the deadly heat on Sunside, the deadly cold on Darkside and the skeletons scattered in orbit by necromancers) and four adventure ideas.
    • Bodi - This section of the Earth Bodies chapter covers: basic information about Bodi (and basic information about Bodi's ring), climate, appearance from space, continents (of which there is only one), flora (mostly forest plants), fauna (including gyres and giant fish), local inhabitants (including green dragons, tasloi and high elves), other issues (lack of open landing areas) and four adventure ideas.
  • Chapter 3: Fire Bodies - This chapter covers: basic information about fire bodies and has subsections about two fire worlds.
    • Ignia - This section of the Fire Bodies chapter covers: basic information about Ignia, climate, appearance from space, continents (one floating island called Salome), fauna (including fire bats and flame swallows), local inhabitants (including efreet and salamanders) and four adventure ideas.
    • Garrash - This section of the Fire Bodies chapter covers: basic information about Garrash (and basic information about Garrash's ring, its single sunspot: the Great Storm and its moon: Taran), climate (including the 'fire-rain' that falls from the ring), appearance from space, continents (including Greendale, Zaberie and countless uncharted continents), planetary fauna (including salamanders, fire bats, flame swallows, efreet and other creatures native to the Elemental Plane of Fire), atmospheric fauna (including fire bats and flame swallows), Taran's fauna (including salamanders and fire snakes, fauna and flora of Zaberie (including fire snakes, salamanders, azer and fire-resistant trees and shrubs with metallic bark or leaves), fauna of Garrash's ring (including zats, local inhabitants (only the azer of Zaberie are covered), and five adventure ideas.
  • Chapter 4: Water Bodies - This chapter covers: basic information about water bodies and has subsections about three water worlds.
    • Thalassa - This section of the Water Bodies chapter covers: basic information about Thalassa (and basic information about its lack of atmosphere, its skin and the mile deep layer of 'oxywater' found just below Thalassa's skin membrane), climate (which consists of mild currents in the water and oxywater and no climate in the void above the membrane), appearance from space, continents (of which there are none), fauna of the water (including giant sharks, like the megalodon, giant squids and other giant creatures, like the kraken), fauna of the oxywater (including smaller, less dangerous creatures including large numbers of fish), flora of the Layer (a 50 inch layer of plankton that separates the oxywater from the water below it), local inhabitants (including sahuagin living in the water and mermen and nixies living in the oxywater), other issues (Thalassa's oxywater mantle) and five adventure ideas.
    • Charon - This section of the Water Bodies chapter covers: basic information about Charon (a former moon of the destroyed planet Nex), climate (which is calm, cloudy, foggy and very cold), appearance from space, continents (of which there are six unnamed fragments of Nex), fauna of the oceans (mostly small blind fish with carnivorous fish similar to quippers on the surface), flora of the oceans (plankton), fauna of the continents (undead from Nex), local inhabitants (six nations of undead humans ruled by six warring undead lich kings), other issues (powerful magic possessed by the lich kings who destroyed Nex) and three adventure ideas.
    • Barbuda - This section of the Water Bodies chapter covers: basic information about Barbuda, climate, appearance from space, continents (of which there are almost one hundred floating and sunken islands including Dormina), fauna and flora of the oceans (various sizes of brightly coloured fish and shark, plankton and sea weeds that grow on the water covered parts of the continents), fauna and flora of the floating islands (including birds and small mammals on small islands and larger animals like the banderdog on larger islands), local inhabitants (including sahuagin, sea sprites in the oceans and couatl living on the island Dormina), and five adventure ideas.
  • Chapter 5: Air Bodies - This chapter covers: basic information about air bodies and has subsections about two air worlds.
    • Alabeth - This section of the Air Bodies chapter covers: basic information about Alabeth (and basic information about its liquid fire core, its five hundred cloud layers, its fifteen moons and its ring system), climate (which differs between every cloud layer), appearance from space, continents (of which there is none, although some of the creatures are large enough to be habitable), fauna and flora of the First Layer (including a large number of birds ranging from sparrow size to eagle size), fauna and flora of the Second Layer (of which there is just plankton), fauna and flora of the the Third Layer (including holbags, sky scavvers, smaller creatures similar to the holbags, a large number of types of birds and grasses and rabbit like creatures that live on top of the holbags), local inhabitants (including Alabeth elves and troglodytes), other issues (how the scale of Alabeth's outer layers makes detecting planetary curvature impossible) and four adventure ideas.
    • Nubis - This section of the Air Bodies chapter covers: basic information about Nubis (and basic information about the poisonous sphere of cloud at its core, its moon: Ob, and the spherical 'tidal cloud' that moves through the upper atmosphere of Nubis to remain directly opposite the moon), climate (it only ever rains below the tidal cloud), appearance from space, continents (of which there is none, although Nubis has semi-solid clouds that are habitable), fauna (many types of hawks and eagles, even more types of smaller birds, some larger creatures including stirges, hippogriffs, griffons and wyverns), local inhabitants (including silver dragons, cloud giants and storm giants and possibly undead) and six adventure ideas.
  • Chapter 6: Unusual or 'Non-Standard' Worlds - This chapter covers: basic information about unsual worlds and has subsections about three 'non-standard' worlds.
    • Nivil - This section of the Unusual or Non-Standard Worlds chapter covers: basic information about Nivil (a ring planet formed of a one mile thick rock and metal strip that forms a complete ring around its sun, has no gravitational force, but instead relies on centrifugal force to keep its atmosphere trapped between the two walls of mountains that are on the rims of the planet), climate, appearance from space, continents (of which there are thousands including Alanta), fauna and flora (which includes most species found on terrestrial planets, but no known underground creatures), local inhabitants (including a human race called the Alanti and most sentient race in known space that lives above the surface), other issues (leaving and entering Nivil's atmosphere and navigation) and four adventure ideas.
    • Torus - This section of the Unusual or Non-Standard Worlds chapter covers: basic information about Torus (a torus shaped terrestrial planet), continents (including Davin, Telaria, Wysdon and an unnamed continent that spans the world and touches both sides of the Cylindrical Sea), land fauna (of which there are only insects and mammals including a six foot long giant hornet) ocean fauna (sea mammals ranging in size from seals to giant carnivorous whales, with the Cylindrical Sea also containing sea lions), local inhabitants (including centaurs, humans from the planet Synex, who have colonies close to the Cylindrical Sea and selkies that live in the Cylindrical Sea), other issues (Torus's unusual seasons) and six adventure ideas.
    • Plata - This section of the Unusual or Non-Standard Worlds chapter covers: basic information about Plata (a terrestrial disc shaped flatworld with gravity on one side), climate, appearance from space (which differs on both sides), continents (including the continent around the edge of Plata, Circulus, and smaller continents contained within Circulus, including Barrakis - a continent surrounded by the Braiemor Ocean at the centre of the planet), fauna (including wooly creatures similar to giant rats and sea rats - that are similar to giant rats, but with gills), local inhabitants (aarakocra known as the Chilterik (the people), orcs, goblins, kobolds, flinds, bugbears and gnolls) and four adventure ideas.
  • Appendix: New Monsters - This chapter has ten new monsters (mithril dragon, azer, flame swallow, gyre, imbul, holbag, sky scavver, steelback beetle, strangler and zat).

Extras[]

Poster

  • The Worlds of Practical Planetology

Credits[]

See also[]

Spelljammer Campaign Setting
AD&D Adventures in Space Boxed Set by Jeff Grubb
Concordance of Arcane Space | Lorebook of the Void
The Legend of Spelljammer Boxed Set by Jeff Grubb
Legends and More | The Grand Tour | Captians and Ships
War Captain's Companion Boxed Set by Dale "Slade" Henson
War Captain's Guide | Ship Recognition Manual | Combat Among the Stars
The Astromundi Cluster Boxed Set by Sam Witt
The Astrogator's Guide | Adventures in the Shattered Sphere | The Celestial Almanac
Spelljammer Accessories
SJR1 Lost Ships by Ed Greenwood | SJR2 Realmspace by Dale "Slade" Henson | SJR3 Dungeon Master's Screen by J. Paul LaFountain | SJR4 Practical Planetology by Nigel Findley | SJR5 Rock of Bral by L. Richard Baker III | SJR6 Greyspace by Nigel Findley | SJR7 Krynnspace by Jean Rabe | SJR8 Space Lairs by Nicky Rea and Wes Nicholson
Spelljammer Adventures
SJA1 Wildspace by Allen Varney | SJA2 Skull & Crossbows by Nigel Findley | SJA3 Crystal Spheres by J. Paul LaFountain | SJA4 Under The Dark Fist by Grant Boucher | SJS1 Goblins' Return by Bruce Nesmith | SJQ1 Heart of the Enemy by Rick Swan
Spelljammer Monstrous Compendiums
MC7 Monstrous Compendium Spelljammer Appendix by Jeff Grubb | MC9 Monstrous Compendium Spelljammer Appendix II by Allen Varney
Spelljammer Handbook
CGR1 The Complete Spacefarer's Handbook by Curtis M. Scott


References[]


  • Spelljammer reference: SJR4, 9328XXX0701 (The Worlds of Practical Planetology poster), 9328XXX1501 (Practial Planetology)
  • TSR reference: TSR 9328
  • ISBN: 1-56076-134-2

External links[]

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