Books like Secrets in the Shadows
V. C. Andrews
Secrets in the Shadows is 400 pages, about 7 hours 20 minutes at 250 words a minute.
12 books to read next
How long each takes
Regretting You 7.1 h 
Ghost Wall 2.9 h 
Leaving Time 8.8 h 
Mermaids 2.8 h 
Heartstopper 7.3 h 
The Virgin Suicides 4.6 h 
The Torn Skirt 3.7 h 
City of Ashes 13.3 h 
Daddy Was a Number Runner 3.8 h 
Annie John 2.7 h 
Foxfire 5.9 h 
The Perfectionists 6.5 h Bar height shows length. Estimated at 250 words a minute.