Yokohama City has a library in each ward. Anyone can use them. Libraries also have non-Japanese books and books for studying Japanese. There may be books that you can read in your native language.
You can borrow books from libraries.
Why not visit a library near your home?
You must register in advance to borrow books.
Please check the following sites for information on how to register.
Registration (when borrowing books for the first time)
List of libraries in each ward of Yokohama City