Good Night, Gorilla by Peggy RathmannWhere's Spot? by Eric HillPeek-a-Who? by Nina LadenOh, the Thinks You Can Think! by Dr. SeussThe Foot Book by Dr. Seuss
Books for one-year-old children
445 books — 271 voters
Charlotte’s Web by E.B. WhiteHarry the Dirty Dog by Gene ZionThe Duckling Gets a Cookie!? by Mo WillemsIf You Give a Pig a Pancake by Laura Joffe NumeroffThree Tales of My Father's Dragon by Ruth Stiles Gannett
Books for six-year-olds
954 books — 350 voters

Frog and Toad All Year by Arnold Lobel
Books for five-year-olds
816 books — 256 voters
Love You Forever by Robert MunschThe Little House by Virginia Lee BurtonKaty and the Big Snow by Virginia Lee BurtonThe House at Pooh Corner by A.A. MilneMadeline's Rescue by Ludwig Bemelmans
Books for four-year-old children
808 books — 365 voters

Where the Wild Things Are by Maurice SendakAre You My Mother? by P.D. EastmanCorduroy by Don FreemanGo, Dog. Go! by P.D. EastmanChicka Chicka Boom Boom by Bill Martin Jr.
Books for three-year-old children
809 books — 482 voters
The Very Hungry Caterpillar by Eric CarleGoodnight Moon by Margaret Wise BrownGreen Eggs and Ham by Dr. SeussBrown Bear, Brown Bear, What Do You See? by Bill Martin Jr.Little Blue Truck by Alice Schertle
Books for two-year-old children
572 books — 372 voters