This was used as text for a right-brain education class. It is for 3rd graders, with one book used per week, and there are enough for two months. The first half of the text is for class use, and from the middle onwards, it contains many challenging and excellent problems for developing thinking skills. (Similar to the Thinking Skills Test or Math Lab). Answers are also included in the latter half. Some pages have writing in them. Also, the name section will be cut out or blacked out before shipping. Please consider this as a used item.