I (intoverted) N (intuitive) T (thinking) J (judging).
We INTJs are a rare breed, only about 1-3% of the population (depending on what resources you look at), which means if you are a female INTJ you're part of less than 1% of the population! In a world where we are a minority, it can help to know you're not the only one who thinks the way you do.
Find more information and full INTJ profiles in the links below:
Typelogic: INTJ
Portrait of an INTJ
More Resources at INTJ Central
A Little Type Humor