Hello. This is Greg. I’m the author or co-author of fourteen books for adults and kids, including the new Atlantis series, Fish, Dangerous Waters, Astrophysics for Young People in a Hurry with Neil deGrasse Tyson, and (with Bill Nye) the Jack and the Geniuses series. Hopefully you’re interested in robots, space, aliens, pirates, mysteries, thought experiments, boats, Ireland, AI, or swimming.  

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