No need. You need to take your library card to the lobby on the third floor of the library to renew your books online. This service is free. You can log on to the website to renew it online after each borrowing, and you don't need to bring a book. Shanghai Children's Library, formerly known as Chelsea House, was built in 1929, with a construction area of 2,630.99 square meters. It is one of the provincial children's libraries with the longest history and the largest collection in China.