CHIMERA by Jonathan Stafford
Huge monster with the head of a lion, a blood-caked mane, the body and hooves of giant goat. Its tail is a ten-foot-long diamondback snake which grows out of its shaggy behind. Breathes fire.
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The Chimera or Chimaera (Greek: Χίμαιρα, Khimaira, from χίμαρος, khimaros, "she-goat") was, according to Greek mythology, a monstrous fire-breathing female creature of Lycia in Asia Minor, composed of the parts of multiple animals: upon the body of a lioness with a tail that ended in a snake's head, the head of a goat arose on her back at the center of her spine. The Chimera was one of the offspring of Typhon and Echidna and a sibling of such monsters as Cerberus and the Lernaean Hydra.
Source(s): Percy Jackson - The Ultimate Guide ;; Wikipedia