You will find that this activity book has a good balance of easy and hard puzzles.
Handsome Devil (Men at Work: Boardroom Boys #16) by Joan Hohl
This activity book includes logic puzzles that make you think outside the box.
A nice touch is how this novel uses silence as a narrative tool.
The book is illustrated with photographs that look like paintings.
What stands out about this activity book is the durability of the cover.