Giving Tree & Heather Has Two Mommies

Written and illustrated by Shel Silverstein
(Harper & Row, 1964)

This favorite childhood book was banned from a public library in Colorado (1988) because it was considered "sexist." It was also challenged by several schools because it "criminalized the foresting agency."
Written by Leslea Newman
Illustrated by Diana Souza
(Alyson Wonderland, 1989)

The first picture book published with a lesibian theme, making it a target for challenges. It was the ninth most challenged book 1990-1999.