Wikipedia page about this book: https://en.wikipedia.org/wiki/The_First_Men_in_the_Moon

Release date is 2016-07-05

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"The First Men in the Moon" by H. G. Wells is a scientific romance serialised from 1900 to 1901. Two Englishmen journey to the Moon using a gravity-defying substance called cavorite, hoping to find valuable minerals. Instead, they discover a sophisticated underground civilization of insect-like creatures called Selenites living beneath the lunar surface. What begins as an adventure story becomes a satirical exploration of extreme social specialization and hierarchical society, blending action with social criticism as the travelers face capture and separation in an alien world. (This is an automatically generated summary.)

Original publication data not identified