ACL Reviews
- Only in California: Weird and Wonderful Facts About the Golden State
- Only the Best
- Only This Beautiful Moment
- Oops! Rabbit
- Open Wide!: Jaw-Dropping Mouths of the Animal World
- Operation Do-Over
- Operation Robot Rescue
- Opposites Attract
- Orbiting Jupiter
- Orris and Timble: The Beginning
- Orson and the World's Loudest Library
- Other Side of Happy, The
- Other Side of Tomorrow, The
- Otter’s New Neighbors
- Our Camping Trip: Physics, Chemistry & Fun
- Our Food: A Healthy Serving of Science and Poems
- Our Incredible Library Book, and the Wonderful Journeys It Took
- Our Lake
- Our New Neighbors
- Our Roof is Blue
- Our Table
- Out of Range
- Out of This World: Star-Studded Haiku
- Outside
- Outside In and the Inside Out: A Story About Arnold Lobel
- Outstanding Octokey, The
- Owl Sees Owl
- Owl’s Fall Feast Fiasco
- Owls in Our Yard: The Story of Alfie
- Pachycephalosaurus: A First Look
- Packing for Mars for Kids
- Painter and the President, The: Gilbert Stuart's Brush with George Washington
- Pandemic Worldwide
- Pantemonium!
- Paper Daughters of Chinatown, The
- Pardalita
- Pass the Parcel
- Patrick Mahomes vs. Peyton Manning: Who Would Win?
- Patron Thief of Bread
- Patterns Everywhere
- Paul the Peacock
- Pawed Piper, The
- Pax
- Peace Is a Chain Reaction: How World War II Japanese Balloon Bombs Brought People of Two Nations Together
- Peach Thief, The
- Pearl Hunter, The
- Pebble and Wren
- Pecan Sheller
- Peggy Goes Gardening
- Pelican Can!, The