english
1
general::
Phrase(s): make book on something 1. Sl. to make or accept bets on something. • Well, she might. But I wouldn’t make book on it. • Don’t make book on my success in this game. 2. Sl. to feel confident enough about something to accept wagers on it. • Of course the delivery date is certain. You can make book on it! • The work might be done on time, but I wouldn’t make book on it.
McGrawhill's American Idioms And Phrasal Verbs