1. Take the subway 1 line (Apple Orchard-Sihuidong), get off at Wukesong, walk to the south of Wukesong Bridge, take the 9 13 bus (Leijiaqiao-Gaojiabao), get off at the west of Haidian Bridge and walk to Haidian Book City.

Error correction distance: 18. 18 km to send a message?

2. Take the subway 1 line (Apple Orchard-Sihuidong), get off at Gongzhufen, walk to the north of Gongzhufen, take bus No.394 (Liuliqiao East-Summer Palace), get off at Beijing Seismological Bureau and walk to Haidian Book City.

Error correction distance: 2 1. 16 km to send text messages?

3. Take the subway 1 line (Apple Orchard-Sihuidong), get off at Gongzhufen, walk to the north of Gongzhufen, take the No.944 branch line (Mingchunyuan-Leijiaqiao), get off at Beijing Seismological Bureau and walk to Haidian Book City.

Error correction distance:18.8km.