Suit somebody's book - Idioms by The Free Dictionary
suit your/somebody's book (redirected from suit somebody's book)
suit (one's) book
To be ideal, convenient, or acceptable to one. It suits our book to have all the meetings in the one day, but organize things however they are most convenient for you.
ˌsuit your/somebody’s ˈbook (British English, informal) be convenient or useful for you/somebody: Well, if you’re honest and hard-working, that suits our book.