353 books • 56 series
Customs Service (Law Enforcement)
Law Enforcement
After Alpha
Arming Japan
Amphibious Ships (Land and Sea)
PT Boats (Land and Sea)
River Patrol Boats (Land and Sea)
Destroyers (Land and Sea)
Follow in His Footprints
Evangelism for Amateurs
Why Bother with Jesus? (Hodder Christian paperbacks)
Swat Teams (Law Enforcement)
The United States Army (U.S. Military Forces) (Serving Your Country)
The United States Air Force (U.S. Military Forces) (Serving Your Country) (Serving Your Country)
The United States Navy (Serving Your Country) (First Facts: U.S. Military Forces)
Bomb Detection Squads (Law Enforcement)
Mounted Police (Law Enforcement)
The United States Marine Corps (Serving Your Country)
Novel Histories
I Believe Omnibus
Strange Intelligence or Men as Trees Walking
Michael Green Omnibus
Land and Sea (Land and Sea)
Aircraft Carriers (Land and Sea)