suit your/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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
Farlex Partner Idioms Dictionary © Farlex 2017