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