«The Geek Handbook: User Guide and Documentation for the Geek in Your Life» by Mikki Halpin

He has reached every level of Myst. Her room is littered with soda cans. He idolizes Data from Star Trek®. But all your favorite geek really wants is to be understood….
Whether you're friends with a geek, work with one, love one, or hate one, The Geek Handbook provides handy instructions for analyzing and understanding all things geek, including:
How Your Geek Relates to Others
Geek organizations and gathering spots
Getting Your Geek to Exercise
Klingon™ martial arts as workout strategy
The Geek Diet
Soda, pizza, and other geek food groups; how to help your geek thrive