"A City on Mars: Can we settle space, should we settle space, and have we really thought this through?" is $1.99 right now

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* THE INSTANT NEW YORK TIMES BESTSELLER * Winner of the Hugo Award * Scientific American’s #1 Book for 2023 * Winner of Royal Society's Trivedi Prize * A New York Times Book Review Editors' Choice * Shortlisted for the Trivedi Prize * A Times Best Science and Environment Book of 2023 * A Tor.com Best Book of 2023 *