(Library of Congress description):
A sequel to the authorís Heidi Grows Up, which is a continuation of Johanna Spyriís Heidi. Tells of the birth of Heidiís twins, the child Marta who comes to live with Heidi and her family, and the Alm-Uncleís secret.
Original title: Heidi's Children
Genre: Fiction→ Children & Young Adult→ Coming of Age