Attlee and the long walk / by Kage Baker -- The old man and the Martian Sea / by Alastair Reynolds -- Wahala / by Nnedi Okorafor -- On Chryse Plain / by Stephen Baxter -- First principle / by Nancy Kress -- Martian chronicles / by Cory Doctorow -- Goodnight moons / by Ellen Klages -- The taste of promises / by Rachel Swirsky -- Digging / by Ian McDonald -- LARP on Mars / by Chris Roberson -- Martian heart / by John Barnes -- Untitled story / by Garth Nix -- Discovering life / by Kim Stanley Robinson.