Essayist Yu Qiuyu is one of the well-known authors at the expo.[Photo provided to China Daily]

One is a dictionary on the origin of words, both from Chinese and foreign languages, by Wang Zhanyi.

Wang focuses on some 2,000 words quoted from 6,000 newspaper and 300,000 magazine articles he has collected over the past 30 years.

The new 19-volume of Encyclopedia of Chinese Military was also unveiled by China Publishing House at the fair.

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