You bring it to an end. "It's time to shut the book on that chapter of our lives and move forward."

You have tried every possible way and method to do something. “He used every trick in the book until he finally got what he wanted.”

They are pleased/annoyed with you. "Noah is trying to be in the good books of his manager by working overtime."

You can’t judge a person, experience, object, etc. just by what you see. “She doesn’t seem like she is the smartest, but you can’t judge a book by its cover.”

You alter facts or figures dishonestly or illegally. "Their accountant was charged with cooking the books, and now he's in jail."

Are beginning to study. “I never even cracked a book open in my literature class, but I still got an A.”

In my opinion/according to my beliefs/as far as I'm concerned. "The government's doing an awful job, in my book."

Having a lot of academic knowledge learned from books and studying, but not necessarily knowing much about people and living in the real world ("street smart").

You carefully examine the details, especially the T&Cs of something. "Before signing a contract, it's essential to read the fine print to avoid surprises."

It usually means you are oblivious to what is happening in the world because you are so absorbed with what is happening in your book.

You understand their thoughts or intentions easily. "She's an open book; you can read her like a book, and she'll tell you exactly what's on her mind."

Punishing someone or calling them to account for their behaviour. "Bringing him to book is the only option to make him understand his actions are wrong."

A commonly used method to trick or deceive someone. “He told me that his dog ate his homework. That’s the oldest trick in the book.”