in someone's good books
This page is about the idiom in someone's good booksINFORMAL
If you're in someone's good books, they are pleased with you.
- Ever since I helped her son get into university, I've been in Jean's good books and she's been very nice to me.
- All you have to do to get into his good books is to agree with everything he says.
This idiom means the opposite to "in someone's bad books."
I've been in Harry's good books ever since I
Contributor: Matt Errey