Capstone is a publisher of children's books and digital products.

Imprints and divisions include Capstone Press, Compass Point Books, Picture Window Books, Stone Arch Books, Red Brick Learning, Capstone Digital, Heinemann-Raintree and Switch Press.

Capstone acquired the assets of Heinemann-Raintree library reference from Pearson Education in 2008.

Capstone is based in Mankato, Minnesota, with additional offices in Minneapolis, Chicago, and Oxford.

Capstone also has digital products (myON, Capstone Interactive Library, CapstoneKids FactHound and PebbleGo) and services (CollectionWiz and Library Processing).