Here are some more titles with action and adventure that I think you may like.
Bearstone by Will Hobbs.
Fourteen-year-old Ute Indian Cloyd Atcitty has grown up without parents or schooling. Later taken into the Colorado mountains to live with an old rancher, Cloyd secretly renames himself Lone Bear and calls upon the strength of his ancestors--first to battle his own hostilities and finally to discover the magical power of friendship.
Island of the Loons by Dayton Hyde.
During the year he is held prisoner by an escaped convict on an uninhabited island in Lake Superior, a young boy watches his captor change from desperate criminal to a gentler man absorbed in the abundant wildlife of the island.
Lost in the Barrens by Farley Mowat.
Two brothers must face the wilderness with no food and no hope of rescue when their canoe is destroyed by the rapids.
Bandit’s Moon by Sid Fleischman.
Twelve-year-old Annyrose relates her adventures with Joaquin Murieta and his band of outlaws in the California gold-mining region during the mid-1800s.
My Side of the Mountain by Jean Craighead George.
A young boy relates his adventures during the year he spends living alone in the Catskill Mountains including his struggle for survival, his dependence on nature, his animal friends, and his ultimate realization that he needs human companionship.