: A major driver for modern challenges is the fear that exposure to sexual themes will adversely affect the mental health or development of children and teenagers.
: Traditionally, books were banned for frank descriptions of sex acts or anatomy that authorities deemed to have no "redeeming social value". Literature Suppressed on Sexual Grounds (Banned...
Detailed histories of these and over 120 other works can be found in reference guides like by Dawn B. Sova. Banned & Challenged Books: Sexuality - HPU Libraries : A major driver for modern challenges is
: Discussion of "taboo" subjects like prostitution, adultery, or pregnancy before marriage has historically led to suppression. Iconic Suppressed Works Literature Suppressed on Sexual Grounds (Banned...
: Books featuring LGBTQ+ themes, same-sex relationships, or gender non-conformity are frequently targeted for "normalization" of these identities.