As illustrator

• Story of Trail of Tears (1986)
• The Cataract of Lodore (1991)
• That's Good! That's Bad! (1991)
• Backstage With Clawdio (1993)
• The Bird Ladies of Boston (1995) ^[8]
• She's Wearing a Dead Bird on Her Head! (1995)
• The Million-Dollar Bear (1995)
• Over the River and Through the Wood (1996)
• The Long, Long Letter (1996) ^[9]
• Why Lapin's Ears Are Long: And Other Tales from the Louisiana Bayou (1997)
• Westward Ho, Carlotta! (1997)
• There Was an Old Witch (1998)
• Rotten Teeth (1998)
• The Emperor's Old Clothes (1999)
• Cesar's Amazing Journey (1999)
• Fungus That Ate My School (2000)
• How Murray Saved Christmas (2000)
• Cinderella Skeleton (2000) ^[10]
• Stand Tall, Molly Lou Melon (2001)
• Plantzilla (2002)
• Take Me Out of the Bathtub and Other Silly Dilly Songs (2002)
• Santa Claustrophobia (2002)
• That's Good! That's Bad! in the Grand Canyon (2002)
• I'm Still Here in the Bathtub: Brand New Silly Dilly Songs (2003)
• Don't Take Your Snake for a Stroll (2003)
• Little Pierre: A Cajun Story from Louisiana (2003)
• The Boy Who Looked Like Lincoln (2003)
• I Like Myself! (2004)
• Lu and the Swamp Ghost (2004)
• I Wanna Iguana (2004)

• Wet Dog! (2005)
• I Ain't Gonna Paint No More! (2005)
• Our Tree Named Steve (2005)
• Where Did They Hide My Presents?: Silly Dilly Christmas Songs (2005)
• Why Did the Chicken Cross the Road? (2006)
• Plantzilla Goes to Camp (2006)
• Merry Un-Christmas (2006)
• Are You Quite Polite?: Silly Dilly Manners Songs (2006)
• Doggone Dogs (2008)
• My School's a Zoo! (2008)
• On Top of the Potty (2008)
• Dozens of Cousins (2008)
• The Boy Who Wouldn't Share (2008)
• Smelly Locker: Silly Dilly School Songs (2008)
• Going, Going, Gone!: And Other Silly Dilly Sports Songs (2009)
• The Middle-Child Blues (2009)
• Too Much Kissing!: And Other Silly Dilly Songs About Parents (2009)
• I Wanna New Room (2010)
• Jackhammer Sam (2011), written by Peter Mandel ^{[11] [12]}
• Mosquitoes Are Ruining My Summer!: And Other Silly Dilly Camp Songs (2011)
• Where's My T.R.U.C.K? (2011)
• Have Fun, Molly Lou Melon (2012)
• Fun in the Sun (2014)

As writer and illustrator

• Max Spaniel: Dinosaur Hunt (2009)
• Max Spaniel: Funny Lunch (2010)
• Max Spaniel: Best in Show (2011)