1. If you remember the protagonist in the book, you can search for keywords according to the protagonist's name, and you can usually find the title you are looking for.

2. If you still remember some special bridges in the book, you can search according to some special bridges in the book.

3. If you still can't find the above two situations, you can go to local libraries and bookstores with more resources and ask the staff for help according to your own knowledge. Books can usually be found by the author's name.