Title: The return of the homework machine
Description: After discarding their infamous homework machine, four friends, now in sixth grade, find themselves once again at the police station, this time giving testimony about an incident involving a powerful computer chip, a Grand Canyon treasure, and a dead body.
Subjects: Fiction, Schools, Juvenile fiction, Children's fiction, Schools, fiction, Grand canyon (ariz.), fiction, Middle school students, Treasure troves, Buried treasure, Middle schools
Places: Grand Canyon (Ariz.), Arizona, Grand Canyon