Anne McCaffrey

Acorna: The Unicorn Girl is a fantasy or science fiction novel by Anne McCaffrey and Margaret Ball. It was the first published in the Acorna Universe series that comprises ten books as of 2011. McCaffrey and Ball wrote the sequel Acorna's Quest after which McCaffrey and Elizabeth Ann Scarborough extended the series …

Acorna's Quest is a fantasy or science fiction novel by Anne McCaffrey and Margaret Ball. It is the sequel to their Acorna: The Unicorn Girl; those two were the first books in the Acorna Universe series that comprises ten books as of 2011. McCaffrey and Elizabeth Ann Scarborough continued the series beginning with …