take a page out of (one's) book
(redirected from take a page out of someone's book)take a page out of (one's) book
To do something in the way one else would do it; to behave or act like one. I think I'm going to take a page out of your book and start going for a run first thing in the morning. I'm glad to see you're taking a page out of my book when it comes to preparing your tax returns early.