Found 121 books 
[en] The Double Invaders (UC) Ace Books
![[BattleTech Universe 35] • Double-Blind](/cover/RQiJyOIrO5552Ma-/small/[BattleTech%20Universe%2035]%20%e2%80%a2%20Double-Blind.jpg)
[en] Double Standards Ace Tempo
![[Psychotechnic League 06] • The Makeshift Rocket / Un-Man and Other Novellas (Ace Double F-139)](/cover/7GHcIXY0m-dSRmNz/small/[Psychotechnic%20League%2006]%20%e2%80%a2%20The%20Makeshift%20Rocket%20/%20Un-Man%20and%20Other%20Novellas%20%28Ace%20Double%20F-139%29.jpg)
[en] Sanctuary in the Sky Ace Double
[en] Alternate Orbits Ace Double 13783
[en] The Automated Goliath Ace Double
![[Grimes 48] • Dark Dimensions](/cover/YcsGxfmOVgIgWoNO/small/[Grimes%2048]%20%e2%80%a2%20Dark%20Dimensions.jpg)
[en] [Grimes 48] • Dark Dimensions Ace Double Novel
[en] Off Center Ace Double #113
[en] The Rithian Terror Ace Double #113
[en] The Sun Destroyers Ace Double
[en] Cache From Outer Space Ace Books Double (NY)
![[Great Imperium 01] • Planet, the Man Without A](/cover/X7_ePGR7hKXww2Iw/small/[Great%20Imperium%2001]%20%e2%80%a2%20Planet,%20the%20Man%20Without%20A.jpg)
[en] [Great Imperium 01] • Planet, the Man Without A Ace Double
[en] Listen! The Stars! Ace Double
[en] A Yank at Valhalla / the Sun Destroyers Ace Double
[en] The Eyes of Bolsk Ace Double Books
[en] The Three Suns of Amara Ace Double