The newest edition to the Sunshine-Mary Sudoku for Seniors Books series. Puzzles are designed to be mentally engaging, but not frustrating. The large 28 point font, makes it easy for all to read. The puzzles are printed on 20 lb paper stock, and are bound in such a manner to allow the pages to sit flat upon the table, The "Book" comes in three distinct packages; Puzzles, Instructions, and Answer Key. This provides the ability to follow the instructions as you are working through the puzzles: no paging back and forth. The goal is to engage your mind in a fun, not frustrating way!