A Hundred Year Mystery Behind FourInventions

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Lu Xiaolu

Lu Xiaolu，majoringin history，isaseniorproofreader reviewerof . He has been engaged in the children's book publishing industry for nearly2O years has publishedmanyaward-winningworks.

Thisbook isa comic version of the popular science picturebookAHundred YearMysteryBehindFour Inventions.Thestoryisledbyacute interesting cartooncat intoascientificworld，exploring the history ofthe fourmajorChinese inventions.Itdelvesdeepinto theinventionprocessof the four famed inventions theirinnerprinciples.

我们要强调下，这里所说的印刷术特指活字印刷术。（剩余439字）