- Brave Endeavour by Douglas] Valentine [Valentine, 1943
- Green Ridges by Douglas] Valentine [Valentine, 1947
- Let's Get Ready for Valentine's Day (Welcome Books: Celebrations) by Lloyd G. Douglas, 2003-02
- A Sniper's Journey: The Truth About the Man Behind the Rifle by Gary D. Mitchell, Michael Hirsh, et all 2006-01-03
- HOTEL TACLOBAN by DOUGLAS VALENTINE, 1985
- Winslow Homer in the 1870's: Selections from the Valentine-Pulsifer Collection by John Wilmerding, Linda Ayres, 1990-04
- Expendable Elite: One Soldier's Journey into Covert Warfare by Daniel Marvin, 2006-08-01
- Applied Kinesiology: Muscle Response in Diagnosis, Therapy, and Preventive Medicine (Thorson's Inside Health Series) by Tom Valentine, Carole Valentine, 1985-10-01
- The descendants of Valentine Kirkpatrick by Willett Douglas Kirkpatrick, 1991
- The Yellow Streak by Valentine, [Valentine, Douglas] Williams, 1943
- With Our Army in Flanders by Valentine, [Valentine, Douglas] Williams, 1943
- One Good Turn by Douglas] Valentine [Valentine, 1943
- The Mystery of the Golden Box by Valentine, [Valentine, Douglas] Williams, 1943
- Garden by the Water by Douglas] Valentine [Valentine, 1943
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