The History Detectives Explore Lincoln's Letter, Parker's Sax, and Mark Twain's Watch: and Many More Mysteries of America's Past

Features case files, pictures, how-to's, and checklists that give you the advice and tips you need to solve your own historical puzzles. From genealogical research to patent and property searches to DNA analysis, this work offers information on the various high-tech tools that can help get to the bottom of a case.