Method 1: 2 1. Enter the title you want in the electronic retrieval machine of the library and look it up in the library database. 32. Find the book you want. Click to enter the detailed page. 43. Record the number of this book. 54. Find the bookcase with the corresponding number in the library. 65. Look for books with corresponding numbers in the bookcase. 7 Method 2: 8 You can pay attention to the official WeChat account of the library, search for books in the official WeChat account, and then go to the library index according to the corresponding book number.