Books like Return to Groosham Grange
Anthony Horowitz
Return to Groosham Grange is 208 pages, about 3 hours 49 minutes at 250 words a minute.
12 books to read next
How long each takes
A Great and Terrible Beauty 7.4 h 
Serafina and the Black Cloak 5.9 h 
Half Wild 7.0 h 
Rebel Angels 10.1 h 
The School for Good and Evil 9.1 h 
Daughter of Smoke and Bone 8.2 h 
Inferno 8.5 h 
Spud 6.5 h 
Talons of Power 6.2 h 
City of Ashes 8.3 h 
Midnight for Charlie Bone 6.5 h 
Witch Week 5.0 h Bar height shows length. Estimated at 250 words a minute.