What Is The Order Of The Tess Gerritsen Books?

I bought some of the Tess Gerritsen books: The Sinner, The Surgeon, The Mephisto Club and Body Double. What order do they go in? or what orer are you meant to read them in? And am I missing some of the series? Also, is Body Double part of the series?What Is The Order Of The Tess Gerritsen Books?
The Surgeon (2001)

The Apprentice (2002)

The Sinner (2003)

Body Double (2004)

Vanish (2005)

The Mephisto Club (2006)

The Keepsake (2008)

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