Librarians from the National Library of China selected a list of 10-titles to be included, from classic literature, sci-fi, and non-fiction titles. This list will rotate with ten new titles each month. Riders simply scan a QR code in the train and select their free e-book, so the librarians stock titles based on what readers choose each month.
The subway system of Bucharest was actually the first to offer an e-book library to passengers, but it was a small effort in comparison. If the program continues to receive avid readership, the subway system is considering adding additional book titles.