Lauren Graham is teaming up with Gilmore Girls creator Amy Sherman-Palladino once again - but don't expect episodes of the TV show anytime soon. The duo announced their collaboration with Celadon Books on Wednesday, December 3, revealing that they had a new book in the works. While it's not set to be released until 2027, the upcoming book is an inside look at the world of Gilmore Girls from two of the most important women in the franchise.