Her "Little Blue Books" would be published in dozens of languages, including Cree, until her retirement in 1934, and sold millions of copies. They encouraged good hygiene, stay-at-home mothers, and the importance of breastfeeding.
[Author's Name]'s "Little Blue Books" were a series of publications that encouraged good hygiene, homemaking, and breastfeeding practices. They were translated into many languages, including Cree, before her retirement in 1934.