Books shelved as adult: Fifty Shades of Grey by E.L. James, Gone Girl by Gillian Flynn, A Game of Thrones by George R.R. Martin, The Girl on the Train by.
Adult genre: new releases and popular books, including Ninth House by Leigh Bardugo, Imaginary Friend by Stephen Chbosky, The Library of the Unwritten by.
Best M/F Erotic Romance like Fifty Shades of Grey (not paranormal, high school, gay or sci-fi). 3, books — 10, voters. Harry Potter and the Sorcerer's.