Novel

These two are really hard reads because you just feel so bad for the MC the whole time, they were also adapted to manhua and manhwa which you can find on the site (both are BL though):

https://www.novelupdates.com/series/sissy/ (you need an account to access the chapters; bullying, mild violence, attempted sexual assault, non-con, dub-con, kidnapping, confinement, minor depiction of animal abuse, power imbalance in relationship, ML is a sick scumbag)
https://dragonholic.com/novel/double-junk/ (violence, workplace bullying, boss-subordinate relationship, power imbalance, non-con, dub-con, forced prostitution, confinement, physical and mental abuse, forced drug use, drug addiction, attempted suicide, ML is dumb like REALLY fucking stupid)

And if you meant actual books, then these:
The Day of the Bomb - Karl Bruckner
A Child Called "It" - Dave Pelzer
To Kill A Mockingbird - Harper Lee
Charlotte's Web - E. B. White
Crime and Punishment - Fyodor Dostoevsky

Thank you