Books like Charlie Thorne and the Last Equation
Stuart Gibbs
Charlie Thorne and the Last Equation is 408 pages, about 7 hours 29 minutes at 250 words a minute.
12 books to read next
How long each takes
Rogue 5.6 h 
Maximum Security 5.5 h 
The Last Guardian 6.2 h 
Eagle Strike 6.0 h 
Geronimo Stilton, Secret Agent 2.2 h 
Snakehead 7.5 h 
Ark Angel 6.1 h 
Class A 5.6 h 
H.I.V.E. Higher Institute of Villainous Education 5.7 h 
Escape 2.3 h 
Crocodile Tears 7.1 h 
The Killing 5.9 h Bar height shows length. Estimated at 250 words a minute.