Today complex numbers have such widespread practical use--from electrical engineering to aeronautics--that few people would expect the story behind their deriva

The story of a boy and his imaginary friend—told by the imaginary friend Zach should’ve outgrown his imaginary friend by now. He knows this. He’s 11, long

Who is half gallop, half walk? Who can turn you to stone with one look? Whose voice do you hear in the splash on the shore? Centaurs, mermaids, and other curiou

What started out as an ordinary summer becomes the story of a lifetime in this exciting series opener packed with magic and monsters! When Ben Silverstein is se

Imaginary Worlds by Lin Carter is a nonfiction book that explores the history and development of fantasy literature. Published in 1973, it discusses the evoluti