Be in/get into somebody's good/bad books informal
If you are in/get into somebody's good/bad books, you have/not have their favour.
All you have to do to get into his good books is to follow what he requires.
Mary will not invite me to her party on Sunday because I'm in Jenny's bad book.
Have a strong feeling of affection for someone or something
To give someone or something better treatment than others.
A subject one knows a lot about, or likes a lot
The verb "be" and "get" should be conjugated according to their tense.
Daughter: So I really want all my friends to have a great time. I was thinking it would be a good idea to have some candy out on the tables for people to snack on.
Mother: Well, if you want them to really enjoy themselves, candy is dandy but liquor is quicker.