Ringworld Revenge of the Patriarch

A tangled web of intrigue brings together a vengeful Kzin, a kidnapped engineer and a mercenary alone against a plot which could plunge all of Known Space into total chaos. The Kzinti are on the warpath, the Puppeteers claim innocence, and Ringworld holds the answer. If only you can find it in time... Based on the award winning book series by celebrate author Larry Niven.