Stuart Gibbs books in order
31 books in the catalogue, about 321 hours of reading in all; the shortest takes 5 hours and the longest 46 hours.
4 series and 8 standalone books in the catalogue.
Spy School
14 books
Spy School 5.3 h 
Spy Camp 6.0 h 
Evil Spy School 5.9 h 
Spy Ski School 6.4 h 
Spy School Secret Service 6.5 h 
Spy School Goes South 6.5 h 
Spy School British Invasion 5.9 h 
Spy School Revolution 6.5 h 
Spy School at Sea 6.5 h 
Spy School Project X 6.6 h Spy School Goes North 5.4 h Spy School Goes Wild length not known
Spy School Blackout length not known
Spy School Goes East length not known
FunJungle
10 books
Belly Up 5.4 h 
Poached 6.5 h Big Game length not known
Panda-monium length not known
Lion Down 6.5 h 
Tyrannosaurus Wrecks 6.2 h 
Bear Bottom 5.9 h 
Whale Done 5.6 h All Ears length not known
Ape Escape length not known
Moon Base Alpha
3 books
Charlie Thorne
4 books
Charlie Thorne and the Last Equation 7.5 h Charlie Thorne and the Lost City 7.0 h 
Charlie Thorne and the Curse of Cleopatra 7.4 h Charlie Thorne and the Royal Society length not known
