Larry Niven

Aros of Azteca, a swordsman, and Neoloth-Pteor, a sorcerer, are deadly enemies who have been fighting for fifteen years. But when the princess Tahlia is kidnapped, Aros must pretend to be a lost princeling and infiltrate the deadliest cabal of necromancers in the world. To save the princess and prevent the most powerful and diabolical spell ever created from destroying the world, he needs Neoloth's help. They can't trust each other. They will betray...

Offered a dream job escorting a teenage heir on a fabulous moon role-playing vacation, Scotty Griffin, a personal security specialist, becomes embroiled in a violent reality game involving armed terrorists, psychological tests, and a large audience.

"The two hundred colonists on board the Geographic have spent a century in cold sleep to arrive here: Avalon, a lush, verdant planet lightyears from Earth. They hope to establish a permanent colony, and Avalon seems the perfect place. And so they set about planting and building. But their very presence has upset the ecology of Avalon. Soon an implacable predator stalks them, picking them off one by one. In order to defeat this alien enemy, they must...