The next big—and challenging!—idea for the adult activity market from Nikoli, the creators of the original Sudoku puzzles and author of Workman’s bestsell

Six murders. One hundred pages. Millions of possible combinations... but only one is correct. Can you solve Torquemada's murder mystery? 'If James Joyce and Aga

An interactive fill in book, full of creative prompts, lists, collage ideas and art journaling jumpstarts that will motivate individuals to "discover" themselve

Take a tour of America without leaving home! This fun journey takes you through 50 full-page mazes, each created in the shape of a state and highlighted by the

Extra tricky. Extra tough. It's the sudoku collection that's not for the faint of heart. If you're craving the challenge, sharpen your pencil and pit your wits