Main Characters:
Peak, 14-year-old Peak Marcello. His parents are professional mountain climbers. As Peak says, "It could have been worse. My parents could have named me Glacier, or Abyss, or Crampon."Peak gets in big trouble for attempting to climb a skyscraper in New York City, where he is living with his mother and stepfather.
Peak gets sent off to Tibet, to join his father who leads groups of wealthy people up Mt. Everest. Climbing Mt. Everest is a dangerous pursuit but Peak's father wants to become famous by helping his son become the youngest person to climb the mountain.
Besides the physical danger, Peak sees the selfish behavior of some climbers, who will ignore a person who needs help, in their zeal to climb the mountain. Peak also meets a Sherpa boy his age and learns about their lives on the mountain. As Peak tries to fulfill his father's goal, he also begins to discover things about himself. (Round Character)
Secondary Character:
Josh Wood, Peak's father, "a rock rat", was not there for Peak when he was growing up. He is one of the best mountaineers in the world. “As you can see, Mr. Wood is a very successful businessman.” (Flat Character)
Zopa, a monk, helps Sun-jo and Peak climb Mount Everest. He is one of the main characters. “If he agrees to something he’ll do it, but he may not be doing it for the reason you think he's doing it. And he’ll never let you know why he’s doing it." (Flat Character)
Sun-jo is a Nepalese boy, only six days older than Peak, who climbs the mountain with Peak. He is Peak’s competitor and friend. Zopa brings Sun-jo to the summit so that he will not have to become a climbing Sherpa (a guide that helps climbers up the mountain). (Flat Character)
Antagonist Characters:
Teri Marcello is Peak’s mother. She is married to Rolf; she never married Josh. “We’re going to miss you.” (Flat Character)
The Twins, Paula and Patrice, are Peak’s “giggling” little sisters. (Flat Character)
Holly Angelo is a