What is the last Sweet Valley High book in the original series?

Question: What is the last Sweet Valley High book in the original series!?

Other than the senior year and svu spin offs!?Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Technically Party Weekend!. Really, Last Wish which is about the twins 17th birthday!. Earthquake and Aftershock, which are specials follow it and are the only thing between Jr and Sr years!.Www@QuestionHome@Com

Party Weekend
-It's on the wikipedia websiteWww@QuestionHome@Com