Smullyan, Raymond M., What is the name of this book? : the riddle of Dracula and other logical puzzles / Raymond M. Smullyan - 241 páginas : ilustraciones ISBN: 9780486481982 (rústica) 0486481980 (rústica) Subjects--Topical Terms: Rompecabezas LC Class. No.: GV1493 / S63 2011