Manfred's One-Month Sudoku Power Plan for Men

Isn't it time to give your synapses a good workout?

Twenty-eight unique Sudokus from easy to hard are waiting for your mind-flexing pleasure. For good measure, we've thrown in a second month, plus a two-week refresher, for a total of 70 puzzles. No math needed.

But why hog all the goodness? Get a second copy or the companion book 'Lilly's One-Month Sudoku Brain Flush for Women' to give to your better half or a buddy.

Who's faster? Who's better? Who's the smartest cookie in the jar?