Problem: To make it possible to bind a large amount of booklets in a short period of time by using a book binding apparatus efficiently.Solution: A book binding apparatus 10 includes a book binding part 11 which binds a booklet, a book binding control part 12 which controls the book binding part 11 based on book binding information, and a book binding apparatus side book binding information setting part 13 which sets the book binding information. A paper feeding apparatus 20 includes a feeding part 21 which feeds a recorded paper one sheet by one sheet, a feeding control part 22 which controls the feeding part 21 based on the book binding information, and a paper feeding apparatus side book binding information setting part 23 which sets the book binding information. The book binding apparatus 10 and the paper feeding apparatus 20 can be communicated with each other. Based on the book binding information set in the book binding apparatus side book binding information setting part 13 or the paper feeding apparatus side book binding information setting part 23, the recorded paper is fed from the paper feeding apparatus 20 to the book binding apparatus 10 one sheet by one sheet and the recorded papers are bundled and bound by the book binding apparatus 10.