251 Brain Teasers: Math Riddles to Boost Your Thinking Skills: Number Puzzles, Picture Puzzles, Logic Puzzles and More Ages 6+ [Penguin Series]
| 作者 | Penguin Books |
|---|---|
| 出版社 | Ingram International Inc |
| 商品描述 | 251 Brain Teasers: Math Riddles to Boost Your Thinking Skills: Number Puzzles, Picture Puzzles, Logic Puzzles and More Ages 6+ [Penguin Series]：，：誠品以「人 |