Come back to the Ringworld-the most amazing feat of anatomist ever encountered. A place of untold technical wonders, house to myriad humanoid races, and globe of a few of the most beloved research fiction stories ever written.

The human Louis Wu; the puppeteer referred to as the Hindmost; Acolyte, son from the Kzin called Chmeee: renowned beings brought together once more in the defense of the Ringworld. Something is certainly going on using the protectors. Incoming spacecraft are being destroyed before they can reach the Ringworld. Vampires are massing. And the Ghouls have their personal agenda-if anyone dares approach them to understand.

Each race around the Ringworld has always had its own protector. Right now it looks as if the Ringworld itself needs a protector. But who’ll take a seat on the Ringworld throne?

“Readers who remember Ringworld from previously encounters will no doubt relish the most recent installment from the saga.”-New York Moments Book Review