Suit your/somebody’s book
Definition 1 of 1
Pro Tip 1/3Plan Convenience
Emphasizes the ease and suitability of an arrangement within someone's existing plans. 
Having the meeting online definitely suits my book with the tight schedule.
Pro Tip 2/3Personal Preference
Highlights a preference or desire; 'suit your book' often aligns with what someone personally prefers. 
A quiet café to discuss this suits my book perfectly.
Pro Tip 3/3Flexibility Emphasis
Shows the flexibility of choices; the phrase may imply several options are available and one can choose freely. 
You pick the venue, just make sure it suits your book.