Books by Westerman, Percy F. (Percy Francis) (sorted alphabetically)
- Sea Scouts up-Channel Percy F. Westerman
- Secret Battleplane Percy F. Westerman
- Sinclair's luck : A story of adventure in East Africa Percy F. Westerman
- Stolen Cruiser Percy F. Westerman
- Sub and a Submarine: The Story of H.M. Submarine R19 in the Great War Percy F. Westerman
- Submarine Hunters: A Story of the Naval Patrol Work in the Great War Percy F. Westerman
- Sub. of the R.N.R.: A Story of the Great War Percy F. Westerman
- Thick of the Fray at Zeebrugge, April 1918 Percy F. Westerman
- Third Officer: A Present-day Pirate Story Percy F. Westerman
- Three short stories from "The Captain" volume XXVII Percy F. Westerman
- To the Fore with the Tanks! Percy F. Westerman
- Treasure of the "San Philipo" Percy F. Westerman
- Under King Henry's Banners: A story of the days of Agincourt Percy F. Westerman
- Under the White Ensign: A Naval Story of the Great War Percy F. Westerman
- Watch-dog of the North Sea: A Naval Story of the Great War Percy F. Westerman
- Wilmshurst of the Frontier Force Percy F. Westerman
- Winning His Wings: A Story of the R.A.F. Percy F. Westerman
- Winning of the Golden Spurs Percy F. Westerman
- Wireless Officer Percy F. Westerman
- With Beatty off Jutland: A Romance of the Great Sea Fight Percy F. Westerman
- Young Cavalier: A Story of the Civil Wars Percy F. Westerman