Chapter 1161: His Major Discovery

der on this side of the bookshelf. When you need it, pull it out and step onto it to reach the books on top. When you don't need it, just press a button and it retracts automatically. This meets the h...Then everyone gets one. 。matter" Qin Nianxia asked curiously.Her maternal grandfather was the royal physician of Yan Kingdom, so she often went in and out of Yan Kingdom's palace with her grandfather when she was young, and b...