An ancient book restorer is busy at work. [Photo/sxdaily.com.cn]

Restoring ancient books can be a mysterious and magical job in the eyes of many people. Year after year, moth-eaten, moldy, damaged books are given new lives in the hands of restorers. They master special craftsmanship techniques and are regarded as "doctors" for ancient books. Let's look into the work done by restorers of ancient books at the Shaanxi Provincial Library in Xi'an, capital of Northwest China's Shaanxi province.