2040-2045: In the years after the cataclysmic Yellowstone eruption there is massive economic dislocation as populations flee Datum Earth to myriad Long Earth worlds. Sally, Joshua, and Lobsang are all involved in this perilous work when, out of the blue, Sally is contacted by her long-vanished father and inventor of the original Stepper device, Willis Linsay. He tells her he is planning a fantastic voyage across the Long Mars and wants her to accompany him. But Sally soon learns that Willis has an ulterior motive for his request: he needs her help to trace an advanced alien technology which, h The Long Mars - Terry Pratchett, Stephen Baxter od authora Terry Pratchett, Stephen Baxter a nakladatelství za skvělé ceny na e-shopu Martinus. cz.