Books like The Very Big Secret
Enid Blyton
The Very Big Secret is 88 pages, about 1 hour 37 minutes at 250 words a minute.
12 books to read next
How long each takes
The Sight 6.7 h 
Witch & Wizard 6.2 h 
The Door to Time 4.2 h 
The Wind Singer 6.5 h 
Vespers Rising 4.1 h 
The Puppy Sister 2.2 h 
Dog Man 4.4 h 
Molly's Puppy Tale 44 min 
Mission Atomic 4.7 h 
Superfudge 3.1 h 
The Grimm Conclusion 7.0 h 
Larklight 7.5 h Bar height shows length. Estimated at 250 words a minute.