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Edgar Rice Burroughs’ Mars: Shadows of a Dying World (An OGL Guide to Monsters, Races, and Beasts)Click to magnify
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Edgar Rice Burroughs’ Mars: Shadows of a Dying World (An OGL Guide to Monsters, Races, and Beasts)


Set on the red planet not as it exists, but as people at the turn of the 20th century thought it might be, Shadows of a Dying World is drawn from the Mars series of Edgar Rice Burroughs and presents creatures from his world in game terms. Its contents are compatible with any games that use the OGL system and can be inserted into them in whole or in part. 

On this Mars, elegant city-states rise along the banks of world-spanning canals, luxurious airships ply the thin atmosphere, feisty princesses and feckless nobles are menaced by killers of the drear dried-up sea-beds, and skilled swordsmen defend dynasties that have ruled for aeons. Despite both wondrous technology and mysterious mental abilities developed beyond the comprehension of Earthlings, however, the most farsighted of the Martians know that the history of their world is drawing toward its end, and that its life-giving atmosphere and waterways are already sustained only by vast efforts of engineering.

Shadows of a Dying World presents the unique wonders and dangers posed by the weirdly sentient denizens of Burroughs’ Mars. Creatures covered in Shadows of a Dying World include the Apt, Banth, Calot, Corphal, Great White Ape, Green Martian, Kaldane, Rykor, Plant Man, Silian, Sith, Thoat, Ulsio, and Zitidar.

Other features of this book include guidelines for using Burroughs’ creatures in both Mars and non-Mars campaign settings, Martian random encounter tables, new Feats, the Class Defense Bonus combat option, and original illustrations by several artists. 

 Customers Who Bought this Title also Purchased
Reviews (6)
Discussions (0)
December 2nd, 2014
I enjoyed Shadows of a Dying World a lot! As a huge fan of Barsoom, I was especially pleased to see the attention to the source material, as well as to some of the less well known creatures of the world. Although it is OGL and compatible with versions [...]
Billiam B. [Featured Reviewer]
March 22nd, 2012
Shadows of a Dying World is loyal to its source material. Excerpts from the novels are used as part of the monster descriptions. I especially like the fact that some of the monsters can be used as characters (using the Racial Ability Scores Modifiers [...]
March 16th, 2012
This is a cool book. There are several things going for it that enhance not only the thematics of the volume, but also its usefulness for anyone not familiar with the Martian Tales by Edgar Rice Burroughs. One of the things that's nice about the creatu [...]
November 6th, 2011
I thought this was an utter piece of rubbish. Sorry I wasted my money on it. I found the details provided in the supplement to be little more than what you would get from reading ERB's novels themselves, and the added abilities of some of the creatures [...]
December 12th, 2007
I picked up this book yesterday because I'm a big fan of the ERB Mars books. In case you didn't read the description, this is basically a Monster Manual for Edgar Rice Borrough's Martian creatures. Now I can finally pit my party against some Great Whit [...]
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Product Information
Gold seller
Publisher Stock #
SKPE 0707
File Size:
61.08 MB
Original electronic
Scanned image
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File Last Updated:
April 19, 2021
This title was added to our catalog on December 09, 2007.