- Animorphs, the graphic novel, K.A. Applegate & Michael Grant ; a graphic novel by Chris Grine
- Animorphs, the graphic novel, based on the novel by K.A. Applegate & Michael Grant ; adapted by Chris Grine
- The one and only Ruby, Katherine Applegate ; illustrated by Patricia Castelao
- Animorphs, the graphic novel, K. A. Applegate & Michael Grant ; a graphic novel by Chris Grine
- Doggo and Pupper search for cozy, Katherine Applegate ; illustrated by Charlie Adler
- Don't swap your sweater for a dog, Katherine Applegate ; illustrated by Brian Biggs
- The first, Katherine Applegate ; illustrated by Max Kostenko
- The encounter, K. A. Applegate & Michael Grant ; a graphic novel by Chris Grine
- Applegate, Katherine, Endling, 01
- Applegate, Katherine, Doggo and Pupper, 01
- Dogtown, Katherine Applegate and Gennifer Choldenko ; with illustrations by Wallace West
- The one and only Ivan, Katherine Applegate
- Willodeen, Katherine Applegate ; illustrations by Charles Santoso
- The one and only Ruby, Katherine Applegate ; illustrated by Patricia Castelao
- The last, Katherine Applegate ; illustrated by Max Kostenko
- Doggo and Pupper save the world, Katherine Applegate ; illustrated by Charlie Alder
- Never swim in applesauce, Katherine Applegate ; illustrated by Brian Biggs
- Crenshaw, Katherine Applegate
- Applegate, Katherine, Doggo and Pupper, 02
- The only, Katherine Applegate ; illustrated by Max Kostenko
- Applegate, Katherine, Endling, 03
- Never glue your friends to chairs, Katherine Applegate ; illustrated by Brian Biggs
- The one and only Bob, Katherine Applegate ; illustrations by Patricia Castelao
- Disney's Christmas with all the trimmings, original stories and crafts from Mickey Mouse and friends, by Katherine Applegate ; illustrated by Phil Wilson
- Applegate, Katherine, Endling, 02
- Doggo and Pupper search for cozy, Katherine Applegate ; illustrated by Charlie Adler
- Doggo and Pupper, Katherine Applegate ; illustrated by Charlie Alder
- Wishtree, Katherine Applegate
- Home of the brave, Katherine Applegate
- Never race a runaway pumpkin, Katherine Applegate ; illustrated by Brian Biggs
- Ivan, the remarkable true story of the shopping mall gorilla, written by Katherine Applegate ; illustrated by G. Brian Karas
- Odder, Katherine Applegate ; with illustrations by Charles Santoso
- Applegate, Katherine, Animorphs (Graphic novel), 02
- Applegate, Katherine, Animorphs (Graphic novel), 01
- Sometimes you fly, by Newbery Medalist Katherine Applegate ; illustrated by Jennifer Black Reinhardt
- Applegate, Katherine, Doggo and Pupper, 03
- Don't tap-dance on your teacher, by Katherine Applegate
- Applegate, Katherine, Animorphs (Graphic novel), 03
- Never swipe a bully's bear, Katherine Applegate ; illustrated by Brian Biggs
- The one and only Ivan, Katherine Applegate ; illustrations by Patricia Castelao
- Wishtree, Katherine Applegate
- Invasion, based on the novel by K.A. Applegate & Michael Grant ; adapted by Chris Grine
- The message, K.A. Applegate & Michael Grant ; a graphic novel by Chris Grine
- Never walk in shoes that talk, Katherine Applegate ; illustrated by Brian Biggs
- The visitor, K.A. Applegate & Michael Grant ; a graphic novel by Chris Grine