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

Perfect for Neil Gaiman and Roald Dahl fans, this fully illustrated journey into the secret world of imaginary friends is quirky, dark, and utterly irresistible

Imaginary friend Budo narrates this heartwarming story of love, loyalty, and the power of the imagination—the perfect read for anyone who has ever had a frien

"Enter the wildly inventive world of Imaginary Numbers, in which a marvelous roster of acclaimed writers conjure up magical happenings, fantastic visions, and b

From author and artist John Byrne comes another perspective on the development of both Superman and Batman that begins in 1942 and progresses right through to 2