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.

When an executed murderer’s fingerprints turn up at a new crime scene, Kay Scarpetta investigates. Prepare for the kind of riveting suspense this best-selling author delivers so well.

Idioms in English, Volume 4 is designed for non-native speakers of English and presents 100 new idioms in stories and dialogs by native speakers. After each story or dialog, the idioms are presented in sentences with an opportunity for the listener to say the sentence (when you hear the chime) out loud. Idioms are used very frequently by native spakers of English. If you don't understand the idiom, then you can miss parts of presentations, conversations, and television or newspaper stories.

The Stranger appears out of nowhere, perhaps in a bar or a parking lot or at the grocery store. His identity is unknown. His motives are unclear. His information is undeniable. Then he whispers a few words in your ear and disappears, leaving you picking up the pieces of your shattered world.

On the eve of a top secret space mission, Captain Calli Chase detects a tripped alarm in the tunnels deep below a NASA research center. A NASA pilot, quantum physicist, and cybercrime investigator, Calli knows that a looming blizzard and government shutdown could provide the perfect cover for sabotage, with deadly consequences. As it turns out, the danger is worse than she thought. A spatter of dried blood, a missing security badge, a suspicious suicide—a series of disturbing clues point to Calli’s twin sister, Carme, who’s been MIA for days.