... wonderful compendium of strangeness ... This is one of those books you'll return to again and again for head-shaking accounts of how weird and wonderful this world can sometimes be. About.com
An excellent purchase for those curious about the curious. Library Journal
...a very captivating read and a must for anyone interested in paranormal phenomena. Booklist Online
Sometimes the medium is more valuable than the message, and that is true of this third edition of Unexplained! hundreds of weird, wild, and wonderful accounts of everything from Bigfoot to snakes living in stomachs Clark's writing style is clear, dispassionate, and witty. Recommended. Choice
Should warm the heart of any serious observer of the weird world in which we live. It will disturb doubters, scandalize skeptics, and readjust the realities of those whose tunnel vision has blinded them. Fate magazine
Jerry Clark is a treasure of the fortean world. This is a very professional compendium of 64 selected topics from one of the field's masters. Clark also provides definitive investigations. ... It's a critical (in all senses) book; get it, read it and be better informed for it. Fortean Times
Jerome Clack, is a fantastic writer and researcher ... A great new read chock full of data and stories that will give you a new perspective on our world. Horrornew.net
...fresh and eminently worthwhile in several respects: its particular coverage, the comprehensive detail of its bibliographic references, the high intellectual level of its analysis. Journal of Scientific Exploration
Though aimed as an introduction to Fortean phenomena, this contains lots of material which will be new to even the seasoned Fortean. Magonia Review of Books
Unexplained! is a delightful book to curl up with before bed. Mr. Clark, who doubles as the [former] vice president of the J. Allen Hynek Center for UFO Studies, makes no judgments, and offers no compelling hypothesis because after all weird stuff happens. Real Crime Book Digest