NANCY DREW: Ultimate 8 Book Set 1- 8, Collection # 1 in Paperback format by Carolyn Keene. Published by Simon & Schuster in 2007. Available in Used - Very Good condition.
Carolyn Keene is the pseudonym of the authors of both the Nancy Drew Mystery Stories (and a spin-off called River Heights) and The Dana Girls Mystery Stories, both produced by the Stratemeyer Syndicate.