Allen Steele - Apollos Outcasts

Jamey Barlowe has been crippled since childhood, the result of being born on the Moon. He lives his life in a wheelchair, only truly free when he is in the water. But then Jamey's father sends him, along with five other kids, back to the Moon to escape a political coup d'йtat that has occurred overnight in the United States. Moreover, one of the other five refugees is more than she appears.