The Long Mars
The Long MarsStephen Baxter, Terry PratchettThe Long Earth, book 3
Characters in The Long Mars
2 characters, main characters first.Main characters
Sally Linsay
Leading the Mars expedition — more capable and more guarded than the human characters around her.
Also in The Long Earth
Joshua Valienté
Following a different thread on Datum Earth, investigating a new kind of human.
Also in The Long Earth, The Long War, The Long Utopia, The Long Cosmos