The illustrated margins make this a great book for slow reading.
Illustrated Encyclopedia of Artillery Hardcover Ian V. Hogg
The illustrated cover alone makes it worth picking up.
The book is illustrated with linocut prints that have texture.
A nice touch in this novel is the way it handles moral gray areas.
What stands out about this activity book is the mix of puzzles for all ages.
This activity book has a section where you decode ancient symbols.