Philadelphia: David McKay Publisher, 1912. — 125 p.
Sam Loyd (1841-1911) was the all time greatest inventor and developer of puzzles. He is described by Martin Gardner, the author of the "Mathematical Games" column in Scientific American, as "America's greatest puzzlist and an authentic American genius." His fame is world wide and books of his puzzles have been published in Russian and many other languages.
This book includes many original puzzles for children and adults.