Edward M Lerner

No one expected the oil to last forever. How right they were. A geopolitical miscalculation tainted the world's major oil fields with radioactivity and plunged the Middle East into chaos. Any oil that remains usable is more prized than ever. No one can build solar farms, wind farms, and electric cars quickly enough to cope. The few countries still able to export petroleum and natural gas—Russia chief among them—have a stranglehold on the world...

Since fleeing the supernova chain reaction at the galactic core, the cowardly Puppeteers of the Fleet of Worlds have--just barely--survived one crisis after another, but now a fresh disaster looms, and the beleaguered fleet needs a hero.

Two hundred years before the discovery of the Ringworld, covert agent Sigmund Ausfaller represents Earth's secret weapon, humanity's best defense against all conspiracies--real and imagined. Who better than a brilliant paranoid to expose the devious plots of others? Yet he may finally have met his match in Nessus, representative of the secretive Puppeteers, the elder race who wield vastly superior technologies. Nessus schemes in the shadows with Earth's...

A tale set ten years after the events in "Juggler of Worlds" traces the reluctant efforts of the Puppeteers to counter onrushing alien refugees who are ransacking the planets they pass on their way toward the Fleet of Worlds.