Praise for Prosper's Demon:

“As if Deadpool had slipped into the body of the Witcher Geralt.” —The New York Times

“Rich with spiky ideas and with Parker’s inimitable and always entertaining voice.” —Locus

“A fresh take on the well-trod demonic possession trope…[that] will draw in fans of dark speculative fiction, especially admirers of Martha Wells and Grady Hendrix.” —Library Journal