From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Batt

Solvers will be over the moon about this huge collection of all-new logic puzzles! Star Battle is a growingly popular logic puzzle that, like sudoku, is simple

"Tips & tools for sharing photos online"--Cover.

Packed with more than a hundred color illustrations and a wide variety of puzzles and brainteasers, Taking Sudoku Seriously uses this popular craze as the start

Killer Sudoku is a very popular variant of classic Sudoku that adds some new challenges. These puzzles have more going on and can be extremely satisfying to sol