Called the most famous riddle mystery of all time, this very short story poses a dilemma. A man is sentenced to an unusual punishment for having a romance with

"Another scintillating collection of brilliant problems and paradoxes by the most entertaining logician and set theorist who ever lived." — Martin Gardner. In

“TIGER QUEEN is a gorgeous, lush YA fiction…Highly recommend for anyone looking for a beautifully crafted stand-alone book.” (YA and Kids Book Central) Tw

Collection of stories by the nineteenth century author, featuring his most famous tale, "The Lady or the Tiger," which poses a dilemma that was hotly debated fo

The paperback reprint of Smullyan's most successful book of puzzles--a mind-bending, pleasurable romp through the world of logic. For all ages and all levels of