Outside of film, Beecher wrote comic and children's books, including adaptions of Twenty Thousand Leagues Under the Seas and Tonka[2] for the Walt Disney Company.[1] Additional writings included a cookbook of early American family recipes, seven Little Golden Books, four Big Golden Books, and The Bar-Twenty Cowboy, a book selected for inclusion in the Children's Library at the British Museum.[1] She also rewrote or ghost wrote more than 100 manuscripts.[1]
Beecher died on March 3, 1973, in Burbank, California. She was survived by her son, Guy Snowden Miller; her sister, Dorothy Shidler; her grandson, Gene; and her granddaughter, Kerry.[1]