Mathematical Brain Benders by Barr, Stephen

Mathematical Brain-Benders : Second Miscellany of Puzzles Stephen

My Best Mathematical and Logic Puzzles (Dover Recreational Math) - GOOD

Tangrams: 330 Puzzles (Dover Recreational Math) - Paperback - GOOD

Tangrams: 330 Puzzles (Dover Recreational Math) - Paperback - VERY GOOD

Leonardos Mirror and Other Puzzles (Dover Recreational Math) - Paperback - GOOD

101 Puzzles in Thought and Logic (Dover Recreational Math) - Paperback - GOOD