American author Gertrude Chandler Warner died #OTD in 1970.
She is best known for creating The Boxcar Children series, a popular series of children's books. The book was well-received, and Warner later revised it in 1942, making it more accessible to younger readers. This revised version became a classic, and Warner went on to write 18 more books in the series.
https://en.wikipedia.org/wiki/Gertrude_Chandler_Warner
Books by Gertrude Chandler Warner at PG:
https://www.gutenberg.org/ebooks/author/41863