Thirty billion people from throughout Earth's history have been resurrected along the great an winding waterways of Riverworld. Most began life anew - accepting without question the sustenance provided by their mysterious benefactors. But a rebellious handful burned to challenge the unseen masters who controlled their fate Now, these adventures of Riverworld have penetrated the great tower which rises from the amazing planet's north polar seas - and within it is the mighty computer which controls the resurrection of billions of human beings. It is inside this giant tower that Sir Richard Burton, Alice Liddell Hargreaves, Peter Frigate and Li Po meet their greatest challenge - and their deadliest foe.The incredible secret behind the Riverworld is about to be unveiled . . .

Thirty billion people from throughout Earth's history have been resurrected along the great and winding waterways of Riverworld. Most began life anew--accepting without question the sustenance provided by their mysterious benefactors. But a rebellious handful, including Mark Twain, Richard Burton, and Peter Jairus Frigate, burned to confront the unseen masters who controlled their fate--and these few launched an invasion that will ultimately yield the mind-boggling truth. The story was chronicled in four previous volumes, and is now concluded in Gods of Riverworld.

Riverworld's omnipotent leaders must finally be confronted, and the renegades of Riverworld--led by the intrepid Sir Richard Francis Burton--will control the fantastic mechanism that rules them. But the most awesome challenge lies ahead. For in the vast corridors and secret rooms of the tower stronghold, an unknown enemy watches and waits to usurp the usurpers....

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Gods of Riverworld (Riverworld Series #5) by Philip José Farmer

Thirty billion people from throughout Earth's history have been resurrected along the great and winding waterways of Riverworld. Most began life anewaccepting without question the sustenance provided by their mysterious benefactors. But a rebellious handful, including Mark Twain, Richard Burton, and Peter Jairus Frigate, burned to confront the unseen masters who controlled their fateand these few launched an invasion that will ultimately yield the mind-boggling truth. The story was chronicled in four previous volumes, and is now concluded in Gods of Riverworld.

Riverworld's omnipotent leaders must finally be confronted, and the renegades of Riverworldled by the intrepid Sir Richard Francis Burtonwill control the fantastic mechanism that rules them. But the most awesome challenge lies ahead. For in the vast corridors and secret rooms of the tower stronghold, an unknown enemy watches and waits to usurp the usurpers....