Found 4 books 
![[Gutenberg 45494] • Airplane Boys in the Black Woods](/cover/vJXVzvo0_Tcwjq8G/small/[Gutenberg%2045494]%20%e2%80%a2%20Airplane%20Boys%20in%20the%20Black%20Woods.jpg)
[en] [Gutenberg 45494] • Airplane Boys in the Black Woods Purdue University Press
![[Gutenberg 56746] • Airplane Boys at Platinum River](/cover/6yxjMiSwLeFP46cE/small/[Gutenberg%2056746]%20%e2%80%a2%20Airplane%20Boys%20at%20Platinum%20River.jpg)
[en] [Gutenberg 56746] • Airplane Boys at Platinum River Purdue University Press
![[Gutenberg 57223] • Airplane Boys Discover the Secrets of Cuzco / Airplane Boys #3](/cover/Ahup1f1AUz7m7shX/small/[Gutenberg%2057223]%20%e2%80%a2%20Airplane%20Boys%20Discover%20the%20Secrets%20of%20Cuzco%20/%20Airplane%20Boys%20#3.jpg)
[en] [Gutenberg 57223] • Airplane Boys Discover the Secrets of Cuzco / Airplane Boys #3 Turtleback Books
![[Gutenberg 45549] • The Air Mystery of Isle La Motte](/cover/JjspN5nviebUbL5U/small/[Gutenberg%2045549]%20%e2%80%a2%20The%20Air%20Mystery%20of%20Isle%20La%20Motte.jpg)