Capstone creates educational content designed to make reading enjoyable and support learning for students in grades K–5. The company serves children, educators, families, and school communities through a mix of print and digital resources, with a focus on engaging content that advances literacy.

Its offerings include PebbleGo, a curriculum-connected collection of nonfiction articles intended to build foundational reading and research skills. Capstone also provides interactive eBooks, featuring thousands of fiction and nonfiction titles with read-aloud audio and unlimited access for each school site. Its digital discoverability and creation tools help students explore resources and demonstrate what they have learned.

For readers who prefer print, Capstone publishes a wide selection of books across genres and reading levels, designed to entertain while supporting learning. The company describes its content as award-winning and aims to inspire teachers and connect families and communities through literacy. Educator feedback highlights PebbleGo as a trusted, safe online resource for elementary students and notes the value of Capstone’s eBooks and books in classroom and school reading programs.