Roland Smith

Fifteen-year-old Peak Marcello is invited to climb Hkakabo Razi, one of the most isolated mountains in the world, but getting there involves a four-week trek through a tropical rainforest that is rife with hazards, which turns out to be more dangerous than summiting the mountain itself.

What waits Beneath? Pat O'Toole has always idolized his older brother, Coop. He's even helped Coop with some of his crazier plans -- such as risking his life to help his big brother dig a tunnel underneath their neighborhood in the suburbs of Washington, DC. Coop is . . . different. He doesn't talk on the phone, doesn't use email, and doesn't have friends. He's never really cared for anything but the thrill of being underground and Pat. So it's no...