Jennifer H. Keast is an author and editor who wrote additional material for the revised edition Sesame Street book Head to Toe! (2009). She also wrote the Bert and Ernie's Great Adventures book Treasure Hunt (2010).

Keast has written picture books featuring Dora the Explorer, Mickey Mouse, and the Chiggngton trains, as well as tie-ins to Cars, Tomorrowland, Speed Racer, Camp Rock, The Good Dinosaur, and other movies.‎