![And I know
because I have the textbook.
And I know
because I have the textbook.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And I know
because I have the TEXTBOOK.
The Big Bang Theory Season 12, Episode 14
![He is a textbook satisficer.
He is a textbook satisficer.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
He is a TEXTBOOK satisficer.
The Big Bang Theory Season 12, Episode 20
![It would help if you stopped telling me
I have a textbook cervix.
It would help if you stopped telling me
I have a textbook cervix.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It would help if you stopped telling me
I have a TEXTBOOK cervix.
The Big Bang Theory Season 10, Episode 4
![Oh, that is
textbook encroachment.
Oh, that is
textbook encroachment.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Oh, that is
TEXTBOOK encroachment.
The Big Bang Theory Season 12, Episode 14
![- Why do you have a history textbook?
- No, it's... It's not a big deal.
- Why do you have a history textbook?
- No, it's... It's not a big deal.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
- Why do you have a history TEXTBOOK?
- No, it's... It's not a big deal.
The Big Bang Theory Season 6, Episode 6