Sixteen-year-old Min Green writes a letter to Ed Slaterton in which she breaks up with him, documenting their relationship and how items in the accompanying box, from bottle caps to a cookbook, foretell the end.
A history professor has discovered something valuable amid the dust at Somerville s tiny museum. It s a letter written by Abraham Lincoln to his boyhood friend. Some townspeople want to sell it, and soon they start squabbling about what to do with the money. Somerville s young sleuths decide to get involved before the letter can be sold or stolen.