What is the origin of expression people book?

The expression "people book" is not a common or established phrase. It's possible it's a regional expression or a more recent slang term.

To help me understand what you're asking, could you provide more context? For example:

* Where did you hear this expression? Was it in a book, a movie, a conversation?

* What was the context of the expression? What was the speaker talking about?

Knowing more about how and where you encountered this phrase will help me determine its possible origin.