The second entry in the Riverworld series, The Fabulous Riverboat tells of a world where all of humanity has been mysteriously resurrected on the banks of one mighty river. Samuel Clemens (a.k.a.MarkTwain) is tasked with finding a fallen meteorite and using its ore to build a massive riverboat. But in order to succeed, he'll have to outwit some of history's most nefarious villains.