Dangerous Sanctuary (FBI: Special Crimes Unit) – Mass Market Paperback – GOOD

You will find that this activity book encourages patience and attention to detail.

Undercover Mission (Alaska K-9 Unit, 3) by

This activity book includes connect-the-dots that reveal surprise pictures.

Deadly Connection (True Blue K-9 Unit: Brooklyn) By Worth, Lenora – VERY GOOD

This activity book has a section for creating your own word searches.

Explosive Secrets (Texas K-9 Unit, 4)

A nice touch is the illustrated bookmark included with the book.