A generation following the events from the Long Globe, mankind has pass on across the brand-new worlds opened up by Stepping. Where Joshua and Lobsang once pioneered, today fleets of airships hyperlink the stepwise Americas with trade and tradition. Mankind is certainly shaping the Long Globe – but in switch the Long Globe is shaping mankind … A new ‘America’, known as Valhalla, is rising more than a million methods from Datum Earth, with primary American ideals restated in the plentiful environment from the Long Earth – and Valhalla keeps growing restless beneath the control of the Datum authorities…

Meanwhile the Long Earth is suffused with the song of the trolls, graceful hive-mind humanoids. However the trolls are beginning to react to humanity’s thoughtless exploitation … Joshua, now a married guy, is usually summoned by Lobsang to cope with a gathering multiple turmoil that threatens to plunge the Long Globe into a war unlike any mankind has waged before.