•
Bed Hogs, illustrated by Howard Fine, Hyperion Books for Children (New York, NY), 2004 • ''Liberty's Journey'', illustrated by Richard Egielski, Hyperion Books for Children (New York, NY), 2004 •
Dinosnores, illustrated by Ponder Goembel, HarperCollins (New York, NY), 2005 •
Mrs. McBloom, Clean Up Your Classroom!, illustrated by Guy Francis, Hyperion Books for Children (New York, NY), 2005 • ''What's the Magic Word?'', illustrated by Marsha Winborn, HarperCollins (New York, NY), 2005 •
Grace for President, illustrated by LeUyen Pham, Hyperion Books for Children (New York, NY), 2008 •
Sipping Spiders through a Straw: Campfire Songs for Monsters, illustrated by
Gris Grimly, Scholastic Press (New York, NY), 2008 •
How to Potty Train Your Monster, illustrated by Mike Moon, Disney-Hyperion (New York, NY), 2009 •
Alfred Zector, Book Collector, illustrated by Macky Pamintuan, Harper (New York, NY), 2010 •
The Sandwich Swap, with
Queen Rania al Abdullah, illustrated by Tricia Tusa, Disney-Hyperion Books (New York, NY), 2010 •
Clink, illustrated by Matthew Myers, Balzer & Bray (New York, NY), 2011 •
Gilbert Goldfish Wants a Pet, illustrated by Bob Shea, Dial Books for Young Readers (New York, NY), 2011 •
Zombie in Love, illustrated by
Scott Campbell, Atheneum Books for Young Readers (New York, NY), 2011 •
Crafty Chloe, illustrated by Heather Ross, Atheneum Books for Young Readers (New York, NY), 2012 •
Crafty Chloe: Dress-Up Mess-Up, illustrated by Heather Ross, Atheneum Books for Young Readers (New York, NY), 2013 •
Gaston, illustrated by
Christian Robinson, 2014 •
Zombie in Love 2+1, illustrated by
Scott Campbell, 2014 •
Dog Days of School, illustrated by
Brian Biggs, 2014 •
Everyone Loves Bacon, illustrated by Eric Wight, Farrar, Straus, and Giroux books for Young Readers (New York, NY), 2015, •
Dragon Was Terrible, illustrated by Greg Pizzoli, Farrar, Straus, and Giroux books for Young Readers (New York, NY), 2016, •
Everyone Loves Cupcake, illustrated by Eric Wight, Farrar, Straus, and Giroux books for Young Readers (New York, NY), 2016, •
One Little Two Little Three Little Children, illustrated by Mary Lundquist, Balzer + Bray, 2016, •
Antoinette, illustrated by
Christian Robinson, Atheneum Books for Young Readers (New York, NY), 2017, •
Super Manny Stands Up!, illustrated by Stephanie Graegin, Atheneum Books for Young Readers (New York, NY), 2017, •
Littles: And How They Grow, illustrated by A.G. Ford, Doubleday Books for Young Readers, 2017, • ''Poe Won't Go'', illustrated by Zachariah OHora, Disney-Hyperion (New York, NY), 2018 •
How to Grow Happiness: A Jerome the Gnome Adventure, illustrated by Matt Kaufenberg, Rodale Kids, 2018, • ''We're Going on a Treasure Hunt'', illustrated by Jay Fleck, Farrar, Straus, and Giroux books for Young Readers (New York, NY), 2019, •
Grace Goes to Washington, illustrated by LeUyen Pham, Disney-Hyperion (New York, NY), 2019, == References ==