This is the exciting sequel to "One Day on Mars".

The Tau Ceti Agenda 2016, Audible Studios on Brilliance

ISBN-13: 9781522689676

MP3 format

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The Tau Ceti Agenda 2009, Baen Books

ISBN-13: 9781439133156

Mass-market paperback

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The Tau Ceti Agenda 2008, Baen Books

ISBN-13: 9781416555391

Hardcover

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