all books are on shelves in order. The shelves are called the stacks. This library has open stacks so that the students can look for books themselves. If you want to borrow or return books, the librarian
take the book, and borrow it at the issue you do not know the author, but only the title, check to see if the library has a title catalogue. If it has, check it in the same way as you
Dear Mr. Wang,Knowing that our library is going to buy books, I’d like to give some we need most are popular science books. Usually popular science books explain basic principles of natur