A relaxing backyard vacation is suddenly cut short when a delicious mystery lands right in the lap of the world's greatest young detective. Nate the Great is trying to enjoy a peaceful day off, but his friend Claude has a major problem. Claude has completely lost his grocery list, and if he does not find it soon, lunch will be ruined for everyone. Nate knows that a true detective never takes a break when a friend is in need, especially when food is involved. With his loyal dog, Sludge, ready to help, Nate sets out to retrace Claude's steps and locate the missing piece of paper. The clues are confusing, and time is running out before their stomachs start rumbling. Readers will love following the hungry heroes as they piece together the evidence and try to save their midday meal in this fast-paced and funny neighborhood caper.