From the south of Customs Road, you can walk to the Customs Building and take bus 36 and get off at Liuzhou Hotel Station on Longcheng Road. Cross the road from the underground street and walk to the bridge. When you see the big screen next to the Five-Star Building, you will see Xinhua Bookstore.
For example, at the north end of Guanhai Road, you can take bus 26 and get off at the Hospital of Traditional Chinese Medicine. You can also go to Xinhua Bookstore by walking along the pedestrian street toward the river embankment.