Fans of xkcd ask Munroe a lot of strange questions: What if you tried to hit a baseball pitched at ninety percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? What if everyone only had one soulmate? What would happen if the moon went away? In pursuit of answers, Munroe runs computer simulations, pores over stacks of declassified military research memos, solves differential equations, and consults with nuclear reactor operators.

War in the 21st century is fought by "soldierboys". Remote-controlled mechanical monsters, they are run by human soldiers who hard-wire their brains together to form each unit. Julian is one of these dedicated soldiers, until he inadvertently kills a young boy. Now he struggles to understand how this has changed his mind.

The United States government is given a warning by the preeminent biophysicists in the country: current sterilization procedures applied to returning space probes may be inadequate to guarantee uncontaminated re-entry to the atmosphere.

Kicked out by his family and wandering the streets, an unemployed 34-year-old shut-in thinks he’s hit rock-bottom—just as he’s hit and killed by a speeding truck! Awakening to find himself reborn as an infant in a world of swords and sorcery, but with the memories of his first life intact, Rudeus Greyrat is determined not to repeat his past mistakes. He’s going to make the most of this reincarnation as he sets off on the adventure of a second lifetime!

A classic thriller from #1 New York Times bestselling author Michael Crichton, Sphere is a bravura demonstration of what he does better than anyone: riveting storytelling that combines frighteningly plausible, cutting-edge science and technology with pulse-pounding action and serious chills.

An astonishing technique for recovering and cloning dinosaur DNA has been discovered. Now humankind’s most thrilling fantasies have come true. Creatures extinct for eons roam Jurassic Park with their awesome presence and profound mystery, and all the world can visit them - for a price.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

Dan Davis, an electronics engineer, had finally made the invention of a lifetime: a household robot that could do almost anything. Wild success was within reach, but then Dan's life was ruined. In a plot to steal his business, his greedy partner and greedier fiancée tricked him into taking the "long sleep": suspended animation for 30 years.

Lucas knows the perfect night entails just three things: video games, wine, and pad thai. Peanuts are a must! Other people? Not so much. Why complicate things when he’s happy alone? Then one day the apartment board, a vexing trio of authority, rings his doorbell. And Lucas’s solitude takes a startling hike. They demand to see his frying pan. Someone left one next to the recycling room overnight, and instead of removing the errant object, as Lucas suggests, they insist on finding the guilty party. But their plan backfires. Colossally.

Harry Benson suffers from violent seizures. So violent that he often blacks out when they take hold. Shortly after severely beating two men during an episode, the police escort Benson to a Los Angeles hospital for treatment. There, Dr. Roger McPherson, head of the prestigious Neuropsychiatric Research Unit, is convinced he can cure Benson with an experimental procedure that would place electrodes deep in his brain's pleasure centers.