Cathy Hapka; Carter Crocker; Character Building Studio (Firm),; Disney Storybook Artists,

Catherine Hapka is an American children's and young adult author who has written more than 100 books, including franchise tie-ins and original series. She has written under the names Cathy Hapka, C.A. Hapka, Sandy Beech, and P.J. Denton, and has worked on books connected to Disney, The Saddle Club, and other licensed properties. [1][2][9]