Put the phone down. The Ultimate Fun Adult Activity Book is packed with puzzles and activities designed to entertain and engage — sudoku, crosswords, coloring pages, mazes, logic puzzles, and more, all crafted by an experienced puzzler.

• A one-stop shop of puzzles and activities — word searches, sudoku, spot the differences, logic puzzles, cryptograms, mazes, and coloring
• The perfect balance of fun and educational — themes range from history and science to food and travel
• Suitable for any skill level — easy to challenging, for newbies and seasoned puzzle-solvers alike
• An excellent gift — quality paper and printing, great for home or on the go

By Penguin Random House.