Best-selling book (regularly updated)
- Who
- Xinhua Dictionary
- What
- 567,007,232 unit(s) sold
- Where
- China
- When
- 28 July 2015
The best selling reference book (regularly updated) is the Xinhua Dictionary, currently published by The Commercial Press, China, which is estimated to have sold 400 million copies from its first edition in 1953 to 2004 and has been verified to have sold a further 167,007,232 copies to 28 July 2015.
The Xinhua Dictionary also holds the record for the most popular dictionary.