Books like Cross My Heart and Hope to Spy
Ally Carter
Cross My Heart and Hope to Spy is 236 pages, about 4 hours 20 minutes at 250 words a minute.
12 books to read next
How long each takes
Spy School 5.3 h 
Evil Spy School 5.9 h 
Maximum Security 5.5 h 
A Great and Terrible Beauty 7.4 h 
Harriet the Spy 5.5 h 
Scorpia 6.7 h 
The Storybook of Legends 6.5 h 
Geronimo Stilton, Secret Agent 2.2 h 
Spy School Secret Service 6.5 h 
Snakehead 7.5 h 
Spy Ski School 6.4 h 
Spy School Goes South 6.5 h Bar height shows length. Estimated at 250 words a minute.