Barrows did so , and is credited as co-author of the novel .
She asked the daughter of her sister Cynthia , Annie Barrows , an established author of children 's literature , to finish the editing and rewriting .
Annie Barrows did so , and is credited as co-author of the novel .
She asked the daughter of her sister Cynthia , Annie Barrows , an established author of children 's literature , to finish the editing and rewriting .