The Moscow Puzzles: Three Hundred Fifty-Nine Mathematical Recr...

The USSR Olympiad Problem Book: Selected Problems and Theorems of El - VERY GOOD

The Master Book of Mathematical Recreations (Dover Math Games & Puzzles)

The Last Recreations: Hydras, Eggs, and Other Mathematical Mystifications

Problems and Exercises in Integral Equations-M. Krasnov/Mir Pub.-1971-HC/DJ

1999 Russian Book Math Textbook A.Пахомова. Математика для начальных классов

Mathematical Bafflers (Dover Recreational Math) - Paperback - GOOD

The Master Book of Mathematical Puzzles and Recreations Paperback