"Peggy" Series:
* Peggy's Play House
* Peggy and the Pony
* Peggy and the New Kitten
* Peggy's Surprise
* Peggy's Secret
* Peggy's New Doll
* Peggy's Day at the Circus
* Peggy's Gift
* Peggy's First Trip Away from Home
* Peggy's Birthday Party
Other Books:
* The Happy Little House (1935)
* The Littlest Angel (1946)
* The Secret of the Old Clock (1951)
* The Mystery of the Missing Treasure (1953)
* The Mystery of the Hidden Room (1955)
* The Mystery of the Lost Diamond (1956)
* The Mystery of the Haunted House (1957)
* The Mystery of the Stolen Jewels (1958)
* The Mystery of the Silver Key (1959)
Note: The "Peggy" series was originally published as part of the "Little Golden Books" series, a popular line of inexpensive children's books. Many of her other books are also geared toward young readers and often involve themes of family, friendship, and adventure.