Out of Time's Abyss is a fantasy novel by Edgar Rice Burroughs. The book begins with Bradley, who had left Fort Dinosaur and never returned. Bradley and his party are attempting to return to Fort Dinosaur. Along the way, they encounter a creature that appears to be a flying dead man. Some of the members of the party consider it a ghost or banshee. Tippet is convinced that he is soon to die, and the next day a Tyrannosaurus kills him. The ghost-like creature is seen again, and James is killed by a Smilodon. Bradley disappears during the night, and the remaining members of the party make it safely to Fort Dinosaur. Bradley had been captured by the ghost-like creature, which is soon revealed to be a naturally winged human being, belonging to a subgroup of humanity known as the Wieroo. He takes Bradley to the island of Oo-oh, set in Caspak's inland sea. It attempts to keep Bradley in a prison, but he escapes through a secret passage... Artist Bio Author: Edgar Rice Burroughs (1875-1950) was an American writer best known for his creations of the jungle hero Tarzan and the heroic Mars adventurer John Carter, although he produced works in many genres.