Image Courtesy of Pixabay.com. WHAT DO I HAVE? When I attend a genealogy conference, I never pass up the book vendors in the exhibit hall. I am always fascinated by their offerings. As well, a presenter has probably mentioned a book “you must have”. There are books on my shelves that I use daily;  Evidence Explained by Elizabeth Shown Mills is open near my right hand as I am writing this. Mastering Genealogical Documentation by Thomas Jones and Professional Genealogy edited by Elizabeth Shown Mills probably tie for second-most used books. They are where I can reach them without moving from my computer chair. There are other genealogy books that I refer to only occasionally when I need a specific piece of information. Understanding Colonial Handwriting by Harriet Stryker-Rodda is one of those. HOW DO I KEEP TRACK OF WHAT I HAVE? I do not want to purchase a duplicate. I could use a spreadsheet, but sometimes that gets messy. When Marilyn Schunke took over respon...