Tom Dolan is an impoverished youth who lives in upstate New York with his mother and two sisters. Set in the early part of this century, the story concerns young Tom's fascination with Bert Breen's barn, a huge structure that looms on the landscape, long ago deserted and uninhabited, and the mystery of Bert Breen's ''treasure," a large sum of money rumored to have been buried on the barn grounds. Tom gets the idea into his head that he would like...