Cam Jansen can find a mystery anywhere--even in the school lunch room! When Jason opens his lunch box and finds only cookie crumbs, Cam's amazing memory clicks into action. Full color.

Cam Jansen can find a mystery anywhere--even in the school lunch room! When Jason opens his lunch box and finds only cookie crumbs, Cam's amazing memory clicks into action. Full color.

Cam Jansen can find a mystery anywhere, even in the school lunch room When Jason opens his lunch box and finds only cookie crumbs, Cam's amazing memory clicks into action.