Focus on the pronunciation of book
English definition of “book”
books [plural] › ACCOUNTING the written records of money that a business has spent or received: At the end of the year, the accountant goes over the books. John kept the books and helped her run her business. → See also appointment book, bankbook, the Beige Book, the Blue Book, cash received book, duplicate book, log book, minute book, order book, paying-in book, plat book, purchase book, rule book, sales day book, sales returns book, statutory book
go by the book (also do sth by the book) › to do something exactly as the rules tells you: My lawyer always goes strictly by the book. This is a private deal - we don't have to do everything by the book.