Books like The Worst Witch All at Sea
Jill Murphy
The Worst Witch All at Sea is 222 pages, about 4 hours 4 minutes at 250 words a minute.
12 books to read next
How long each takes
Half Wild 7.0 h 
Spellbound 3.5 h 
Conrad's Fate 6.7 h 
Shamrock Shenanigans 2.9 h 
Spying Eyes 2.9 h 
The Wrong Side of Magic 6.0 h 
Summer of Fear 4.0 h 
Witch Week 5.0 h 
Awakening 3.5 h 
The Calling 3.5 h 
Hex Hall 5.9 h 
Dark Magick 3.5 h Bar height shows length. Estimated at 250 words a minute.