James Marshall books in order
11 books in the catalogue, about 7 hours of reading in all; the shortest takes 33 minutes and the longest 1 hour.
1 series and 10 standalone books in the catalogue.
George and Martha
7 books
George and Martha 51 min George and Martha Encore length not known
George and Martha Back in Town length not known
George and Martha One Fine Day length not known
George and Martha Rise and Shine length not known
George and Martha Round and Round length not known
George and Martha Tons of Fun length not known
Standalone books
The Frog Prince 35 min 
The Stupids Step Out 33 min 
Miss Nelson Is Missing! 35 min 
Fox and His Friends 1.0 h 
Miss Nelson Has a Field Day 35 min 
Miss Nelson Is Back 35 min 
Red Riding Hood 35 min 
Goldilocks and the Three Bears 35 min 
The Three Little Pigs 35 min 
¡La Señorita Nelson Ha Desaparecido! 35 min