. . . . "D.J. learns a powerful lesson about responsibility and doing what is right."@en . . "Mad dog of Lobo Mountain" . . . . "Mad dog of Lobo Mountain"@en . . . . "Adventure fiction"@en . "Juvenile works"@en . "Fiction"@en . . . . . "When D.J.'s dog, Hero, is accused of being rabid and biting a young diabetic boy before both disappear in the wilderness, D.J. must find the boy and Hero before it is too late." . . . . . . . "Sierra Nevada (Calif. and Nev.)" . .