At last, a tic-tac-toe computer that needs no electrical power! Tic Tac Test: Beat the Book at Noughts and Crosses is an interactive book that will test your logic skills. The computer will sometimes randomize its responses so you’ll never get bored. Either you or the computer can start first, but you’ll have to keep your wits about you or it will leave you scratching your head! Daily Telegraph enigmatologist Barry R. Clarke has created this entertaining noughts-and-crosses program to challenge your thinking skills. Whether you’re a young student interested in mastering the strategy of the game or an older person wanting to keep your brain in shape, playing through these games will certainly fine-tune your concentration. Features: ¦ No knowledge of mathematics is required. ¦ This book allows the computer or the reader to start first. ¦ Randomized computer responses increase the game variation. ¦ A translator wheel expands the number of possible games. ¦ Navigating through the logic develops concentration.