7 books in series

Griffin & Sabine

Griffin & Sabine is a 7-book series with 7 primary works first released in 1991 with contributions by Nick Bantock.

Griffin and Sabine (Griffin & Sabine #1)
Sabine's Notebook (Griffin & Sabine #2)
The Golden Mean (Griffin & Sabine #3)
The Gryphon: In Which the Extraordinary Correspondence of Griffin & Sabine Is Rediscovered (Morning Star Trilogy, #1)
Alexandria: In Which the Extraordinary Correspondence of Griffin & Sabine Unfolds (Morning Star Trilogy, #2)
The Morning Star: In Which the Extraordinary Correspondence of Griffin & Sabine is Illuminated (Morning Star Trilogy, #3)
The Pharos Gate