What stands out about this activity book is the variety of difficulty levels.

The illustrated edition makes complex ideas much easier to understand.

A nice touch is the illustrated ribbon marker that matches the art.

A nice touch is the illustrated dedication page with tiny stars.

Condition Notes: All pages and cover are intact including the dust cover, if applicable. Spine may show signs of wear. Pages may include limited notes and highlighting. Shrink wrap, dust covers, or boxed set case may be missing.

Condition Notes: All pages and cover are intact including the dust cover, if applicable. Spine may show signs of wear. Pages may include limited notes and highlighting. Shrink wrap, dust covers, or boxed set case may be missing.

A nice touch is the illustrated copyright page with tiny animals.