In "Folly Corner," Mrs. Henry Dudeney crafts a poignant examination of the complexities of human relationships, set against the backdrop of early 20th-century England. The novel employs a richly des……続きを見る
In issuing this volume of my Mathematical Puzzles, of which some have appeared in periodicals and others are given here for the first time, I must acknowledge the encouragement that I have received ……続きを見る
