Introducing a set of five eBooks full of the finest puzzles from contemporary puzzle authors. Each part has over 50 hand-crafted puzzles, with hints for every puzzle to help you solve them and become a better puzzler.
Each part is $4 but any part you buy will decrease the total cost of the collection (to $12 to complete after one purchase, $8 after two, and so on). So feel free to try your favorite GMPuzzles styles first.