9 books in series

Brainship

Brainship is a 9-book series with 9 primary works first released in 1969 with contributions by Anne McCaffrey, Mercedes Lackey, S.M. Stirling, Jody Lynn Nye, C. J. Cherryh, Arthur C. Clarke, David Drake, Robert A. Heinlein, M.J. Engh, A.E. van Vogt, P.J. Beese, Cordwainer Smith, Greg Bear, Fredric Brown, Fritz Leiber, Ursula K. Le Guin, Todd Hamilton, and Judith R. Conly.

The Ship Who Sang
The Ship Who Searched
The City Who Fought
The Ship Who Won
The Ship Errant
The Ship Avenged
Cats in Space...and Other Places
The Fleet
The Girl Who Heard Dragons