Found 2110 books 
![[Gutenberg 25798] • Boy Scouts in the North Sea; Or, The Mystery of a Sub](/cover/J5aQD6yn_owbmohJ/small/[Gutenberg%2025798]%20%e2%80%a2%20Boy%20Scouts%20in%20the%20North%20Sea;%20Or,%20The%20Mystery%20of%20a%20Sub.jpg)
![[Gutenberg 52425] • Submarine and Anti-submarine](/cover/qoYtJsZSx6cts2HR/small/[Gutenberg%2052425]%20%e2%80%a2%20Submarine%20and%20Anti-submarine.jpg)
![[Gutenberg 10409] • The Crisis of the Naval War](/cover/K8tqVPsnYSxBt3mv/small/[Gutenberg%2010409]%20%e2%80%a2%20The%20Crisis%20of%20the%20Naval%20War.jpg)
![[Gutenberg 60922] • Murder Beneath the Polar Ice](/cover/c5FoeaOwYOL30Zih/small/[Gutenberg%2060922]%20%e2%80%a2%20Murder%20Beneath%20the%20Polar%20Ice.jpg)
![[Gutenberg 40102] • The Passion for Life](/cover/rKf4Tg9Rjl_2DUuW/small/[Gutenberg%2040102]%20%e2%80%a2%20The%20Passion%20for%20Life.jpg)
![[Gutenberg 41628] • Dave Darrin and the German Submarines / Or, Making a Clean-up of the Hun Sea Monsters](/cover/CWZaXaA2WnvEcTzr/small/[Gutenberg%2041628]%20%e2%80%a2%20Dave%20Darrin%20and%20the%20German%20Submarines%20/%20Or,%20Making%20a%20Clean-up%20of%20the%20Hun%20Sea%20Monsters.jpg)
![[Gutenberg 58627] • Bob Steele in Strange Waters; or, Aboard a Strange Craft](/cover/o8QAR90OLL2gk3tA/small/[Gutenberg%2058627]%20%e2%80%a2%20Bob%20Steele%20in%20Strange%20Waters;%20or,%20Aboard%20a%20Strange%20Craft.jpg)
[en] [Gutenberg 58627] • Bob Steele in Strange Waters; or, Aboard a Strange Craft iOnlineShopping.com
![[Gutenberg 58013] • The Dreadnought Boys on a Submarine](/cover/GLIS6MCn2GcrhT5Y/small/[Gutenberg%2058013]%20%e2%80%a2%20The%20Dreadnought%20Boys%20on%20a%20Submarine.jpg)
![[Gutenberg 39387] • Submarine U93](/cover/urT9xGf4c6aDg_Sq/small/[Gutenberg%2039387]%20%e2%80%a2%20Submarine%20U93.jpg)
![[Gutenberg 45922] • The Voyage of the "Deutschland"](/cover/kTNEd7BSipcsqUIf/small/[Gutenberg%2045922]%20%e2%80%a2%20The%20Voyage%20of%20the%20%22Deutschland%22.jpg)
[en] [Gutenberg 45922] • The Voyage of the "Deutschland" US Naval Institute Press
![[Gutenberg 7947] • The Diary of a U-boat Commander / With an Introduction and Explanatory Notes by Etienne](/cover/zVxdewuDnpndO-KX/small/[Gutenberg%207947]%20%e2%80%a2%20The%20Diary%20of%20a%20U-boat%20Commander%20/%20With%20an%20Introduction%20and%20Explanatory%20Notes%20by%20Etienne.jpg)
![[Spies Lie 01] • Blood Ridge](/cover/HENjbtYoPqPggtLx/small/[Spies%20Lie%2001]%20%e2%80%a2%20Blood%20Ridge.jpg)
[en] [Spies Lie 01] • Blood Ridge The Swiftshadow Publishing Group
![[Spies Lie 03] • Swift Shadow](/cover/moeGahXoqYPLGvjx/small/[Spies%20Lie%2003]%20%e2%80%a2%20Swift%20Shadow.jpg)
[en] [Spies Lie 03] • Swift Shadow The Swiftshadow Publishing Group
![[Spies Lie 04] • Gray Net](/cover/eb15L6wPcBp7E9U_/small/[Spies%20Lie%2004]%20%e2%80%a2%20Gray%20Net.jpg)
[en] [Spies Lie 04] • Gray Net Swiftshadow Group, Inc.
![[Gutenberg 46382] • The Submarine in War and Peace: Its Development and its Possibilities](/cover/x9tnQ1o17xO5H4OV/small/[Gutenberg%2046382]%20%e2%80%a2%20The%20Submarine%20in%20War%20and%20Peace:%20Its%20Development%20and%20its%20Possibilities.jpg)
[en] [Gutenberg 46382] • The Submarine in War and Peace: Its Development and its Possibilities Createspace Independent Publishing Platform
![[Gutenberg 50864] • A Story of the Telegraph](/cover/kx5T_qBKy22W5H_k/small/[Gutenberg%2050864]%20%e2%80%a2%20A%20Story%20of%20the%20Telegraph.jpg)
![[Gutenberg 32416] • Way of a Rebel](/cover/7B_EAHCZIhVMB41d/small/[Gutenberg%2032416]%20%e2%80%a2%20Way%20of%20a%20Rebel.jpg)
[en] [Gutenberg 32416] • Way of a Rebel Aegypan
![[Gutenberg 49644] • Motor Matt's Quest; or Three Chums in Strange Waters](/cover/l8LZnR473UZpc7z1/small/[Gutenberg%2049644]%20%e2%80%a2%20Motor%20Matt%27s%20Quest;%20or%20Three%20Chums%20in%20Strange%20Waters.jpg)
[en] [Gutenberg 49644] • Motor Matt's Quest; or Three Chums in Strange Waters Createspace Independent Publishing Platform
![[Gutenberg 50080] • Motor Matt Makes Good; or, Another Victory For the Motor Boys](/cover/5NuVGBlUWC9D2M9p/small/[Gutenberg%2050080]%20%e2%80%a2%20Motor%20Matt%20Makes%20Good;%20or,%20Another%20Victory%20For%20the%20Motor%20Boys.jpg)
[en] [Gutenberg 50080] • Motor Matt Makes Good; or, Another Victory For the Motor Boys Createspace Independent Publishing Platform
![[Gutenberg 48402] • Motor Matt's Peril; or, Cast Away in the Bahamas / Motor Stories Thrilling Adventure Motor Fiction No. 12, May 15, 1909](/cover/eV3vZL5zY20pzAjr/small/[Gutenberg%2048402]%20%e2%80%a2%20Motor%20Matt%27s%20Peril;%20or,%20Cast%20Away%20in%20the%20Bahamas%20/%20Motor%20Stories%20Thrilling%20Adventure%20Motor%20Fiction%20No.%2012,%20May%2015,%201909.jpg)
[en] [Gutenberg 48402] • Motor Matt's Peril; or, Cast Away in the Bahamas / Motor Stories Thrilling Adventure Motor Fiction No. 12, May 15, 1909 Createspace Independent Publishing Platform