Start with high-confidence psychological fiction books, then narrow by subgenre or adjacent topics.
A Tree Grows in Brooklyn
Unknown author
Lord of the Flies
William Golding, E. L. Epstein
The Boy Next Door
Irene Sabatini
Good People
Patmeena Sabit
In Search of Lost Time
Marcel Proust, D.J. Enright
The Stillwater Girls
Minka Kent
The Boys of Summer
Richard Cox
Black Jack
Max Brand
The Life We Bury
Allen Eskens
Middlemarch
George Eliot
Purity of Heart Is to Will One Thing
Søren Kierkegaard
Daisy Miller
Henry James
Against Nature
Joris-Karl Huysmans
The Yellow Wallpaper
Charlotte Perkins Gilman
Pamela, or Virtue Rewarded Volumes 1 & 2
Samuel Richardson
House of Beth
Kerry Cullen
Sentiment, Inc.
Poul Anderson