- Hapka, Cathy, Marguerite Henry's ponies of Chincoteague, 1
- Hapka, Cathy, Pony scouts
- Sofia the First, holiday in Enchancia, written by Catherine Hapka; illustrated by the Disney Storybook Art Team
- Hapka, Cathy, Marguerite Henry's ponies of Chincoteague, 5
- Hapka, Cathy, Marguerite Henry's ponies of Chincoteague, 3
- Sofia makes a friend, written by Catherine Hapka ; illustrated by Character Building Studio and the Disney Storybook Artists
- Makuta's revenge, by C.A. Hapka
- True riders, Catherine Hapka
- A new home for Truman, by Catherine Hapka ; illustrated by Dana Regan
- Rio, Blu and friends, adapted by Catherine Hapka
- Clue by clue, by Catherine Hapka
- Hapka, Cathy, Marguerite Henry's ponies of Chincoteague, 2
- Pony party, by Catherine Hapka ; pictures by Anne Kennedy
- Back in the saddle, by Catherine Hapka ; pictures by Anne Kennedy
- Yatimah, Catherine Hapka ; illustrated by Ruth Sanderson
- Rio, learning to fly, adapted by Catherine Hapka
- Maddie's dream, Catherine Hapka
- The fastest finish, by Catherine Hapka
- Hapka, Cathy, Marguerite Henry's ponies of Chincoteague, 8
- Chasing gold, Catherine Hapka
- The trail ride, by Catherine Hapka ; pictures by Anne Kennedy
- Hapka, Cathy, Marguerite Henry's ponies of Chincoteague
- Camping trip, by Catherine Hapka ; pictures by Anne Kennedy
- Runaway ponies!, by Catherine Hapka ; pictures by Anne Kennedy
- Junior Ninja Champion, the competition begins, by Catherine Hapka
- A winning gift, Catherine Hapka
- Really riding!, by Catherine Hapka ; pictures by Anne Kennedy
- Pony crazy, story by Catherine Hapka ; pictures by Anne Kennedy
- Elska, Catherine Hapka ; illustrated by Ruth Sanderson
- No time for Hallie, by Catherine Hapka
- Blue ribbon summer, Catherine Hapka
- At the show, Catherine Hapka
- Moonlight mile, Catherine Hapka
- The road home, Catherine Hapka
- Mermaids in the backyard, by Catherine Hapka ; illustrated by Patricia Castelao
- Hapka, Cathy, Marguerite Henry's ponies of Chincoteague, 4