This book series has all the best recreational number logic puzzles!
There are a total of 300 puzzles in each book of this series. The puzzles progressively increase in difficulty from a small grid size to a larger one.
There are two puzzles on each page, and helpful instructions, solutions, and cheatsheets (where required) are also included in these books. The larger size of the books (7″x10″ paperbacks) makes the print easier on the eyes.
