Evan-Moor Skill Sharpeners Critical Thinking, Grade 1 Workbook, Problem Solving Skills, Fun Activities, Higher-Order, Open-Ended Questions and Challenges, Science, Math, Social Studies, Language Arts
| Country | USA |
| Brand | Xtrumjll |
| Manufacturer | Xtrumjll |
| Binding | Misc. |
| Color | clear |
| ReleaseDate | 0000-00-00 |