To Kill a Mockingbird by Harper LeeThe Giving Tree by Shel SilversteinBridge to Terabithia by Katherine PatersonThe Poetry of Robert Frost by Robert FrostA Midsummer Night's Dream by William Shakespeare
Trees on Covers
926 books — 185 voters
The Lorax by Dr. SeussThe Monster at the End of this Book by Jon StoneFrog and Toad Are Friends by Arnold LobelAlexander and the Terrible, Horrible, No Good, Very Bad Day by Judith ViorstThere's a Wocket in My Pocket! by Dr. Seuss
Picture Books of the 1970s
495 books — 67 voters

The Very Hungry Caterpillar by Eric CarleWhere the Wild Things Are by Maurice SendakGreen Eggs and Ham by Dr. SeussGoodnight Moon by Margaret Wise BrownThe Cat in the Hat by Dr. Seuss
Best Picture Books
3,087 books — 1,989 voters
It's Kind of a Funny Story by Ned VizziniThe Bell Jar by Sylvia PlathOne Flew Over the Cuckoo’s Nest by Ken KeseyCut by Patricia McCormickVeronika Decides to Die by Paulo Coelho
Fictional Mental Hospital Novels
260 books — 771 voters