“The Long Mars” by Terry Pratchett & Stephen Baxter (2014)

“The High Meggers: Remote worlds, most still unpopulated, even in the year 2045, thirty years after Step Day.”

I think we all are dreaming right now of stumbling off into a world that isn’t this one. On that theme, here is a book that dials the dream up to eleven. It is the middle of a series, so beware spoilers ahead if you’ve not read The Long Earth and The Long War. If you don’t care, press on!

The Datum Earth is in chaos. After the Yellowstone supervolcano erupted in 2040, decimating everyth...