To Your Scattered Bodies Go
Philip José Farmer
 The novel begins with adventurer Sir Richard Francis Burton waking up after his death on a strange new world made up of one ongoing river. He discovers that he is but one of billions of previously dead personalities from throughout Earth's history stretching from the Neolithic age through 2008 AD also 'resurrected'. At first the resurrectees are primarily focused on survival, though their basic needs for food are mysteriously taken care of; but eventually Burton decides to make it his mission to find the headwaters of the River and discover the purpose and intention of humanity's resurrection. Along the way he is enslaved and then, after being partnered with Nazi war criminal Hermann Göring, discovers the existence of a mysterious organization responsible for the resurrection of humanity, and is recruited by a rogue member of this group to take down their carefully laid plans.