David L. McGuire

Like some other kids, 12-year-old Trevor McKinney believed in the goodness of human nature. Like many other kids, he was determined to change the world for the better. Unlike most other kids, he succeeded.

A seven-mile-wide space rock is hurtling toward Earth, threatening to obliterate the planet. Now, it's up to the president of the United States to save the world. He appoints a tough-as-nails veteran astronaut to lead a joint American-Russian crew into space to destroy the comet before impact. Meanwhile, an enterprising reporter uses her smarts to uncover the scoop of the century.

On their cross-country drive, a married couple, Jeff and Amy Taylor, experience car trouble after their SUV breaks down. Stranded in the New Mexico desert, the two catch a break when a passing truck driver offers Amy a ride to a nearby café to call for help. Meanwhile, Jeff is able to fix the car and make his way to the café, but Amy isn't there. He tracks down the trucker ― who tells the police he's never seen Jeff or his wife before. Jeff then begins a desperate, frenzied search for Amy.

An earthquake shatters a peaceful Los Angeles morning and opens a fissure deep into the earth, causing lava to start bubbling up. As a volcano begins forming in the La Brea Tar Pits, the director of the city's emergency management service, working with a geologist, must then use every resource in the city to try and stop the volcano from consuming LA.