The Most Difficult Math Tests: Prove Your Arithmetic Prowess by Solving These Tough Numerical PuzzlesPaperback, 4 May 2021

The Most Difficult Math Tests provides an exceptional challenge for even the most adept of puzzlers.

All aspects of arithmetical thinking are tested by the world's finest puzzle-setters. With puzzles ranging from killer Sudoku to numerical crosswords, this colourful puzzle book will keep you entertained for hours.