Books like Beyond the Valley of Thorns
Patrick Carman
Beyond the Valley of Thorns is 221 pages, about 4 hours 3 minutes at 250 words a minute.
12 books to read next
How long each takes
Sky Raiders 7.9 h 
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Wolf-Speaker 5.8 h 
Triss 7.1 h 
A Winglets Collection 2.6 h 
Lost Continent 6.2 h 
The Firework-maker's Daughter 2.1 h 
Wild Born 4.1 h 
The Iron Trial 5.6 h 
Alice's Adventures in Wonderland 2.5 h 
Harry Potter and the Cursed Child 6.3 h Bar height shows length. Estimated at 250 words a minute.