Here Are the Latest Theories on Subjects That Have Intrigued and Puzzled Students and Scholars Alike While many of these subjects have been treated before in other series, our authors have unearthed new theories and information based on the latest scientific investigations of available evidence. Firsthand experience helps our authors provide new perspectives and theories on these occurrences that will keep your readers fascinated. Is there intelligent life on other planets? Have we already been contacted by aliens? Here are some of the strange stories of those who may have been not only contacted but abducted, including some cases that can't be easily explained.