The winner of several Nebula and Hugo awards, Poul Anderson is a prolific writer of science fiction and fantasy with well over one hundred novels and short story collections to his credit. Known for writing science fiction that is well-grounded in scientific knowledge, and for fantasy stories involving a heavy dose of Nordic mythology and libertarian values, Anderson is also a poet, translator, and writer of detective and historical novels. Science fiction is, perhaps, the one true cross-over genre; although only a handful of Anderson's works have been specifically written for a juvenile audience, his books and short stories are as popular with young readers as they are with adults. Anderson, who cut his teeth on magazine writing, is "one of the five or six most important writers to appear during the science-fiction publishing boom of the decade following the end of World War II," according to Michael...