Puzzles in 1985

Animal Origami for the Enthusiast: Step-By-Step Instructions in Over 900 Diagrams/25 Original Models by Montroll, John

Mathematical Quickies: 270 Stimulating Problems with Solutions by Trigg, Charles W.

Dazzling Mazes: 50 Inventive Puzzles with Solutions by Koch, Ulrich

Just Gaming: Volume 20 by Lyotard, Jean-Francois