Up

When Trish Herr became pregnant with her first daughter, Alex, she and her husband, Hugh, vowed to instill a bond with nature in their children. By the time Alex was five, her over-the-top energy levels led Trish to believe that her very young daughter might be capable of hiking adult-sized mountains.

In Up, Trish recounts their always exhilarating--and sometimes harrowing--adventures climbing all ...