Solve This Number Logic Author:Gareth Moore Put on your thinking cap and dive into stimulating number-based puzzles. With more than 80 Japanese number puzzles like sudoku, hitori, calcudoku, and sikaku, number pyramids and mazes, mathematical sequences, arithmetic squares, time calculations, and many more challenging puzzles, readers will follow easy-to-read instructions to crack codes an... more »d solve problems. Guaranteed to be hours of brain-teasing fun.« less