In this adult activity book, you will find a variety puzzles.50 Binary Puzzle50 Eulero Puzzle50 Buraitoraito Puzzle50 Sudoku PuzzleDetailed instructions on how to solve the puzzles Perfectly Sized - 6" x 9" Solutions Can be Found at the Back of the Book Start building brainpower today, with the best choice for brain health among puzzle books.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.