In UFOs, Portals and Gateways, Nigel Mortimer explores the reasons why ancient man placed standing stones at sites which seem to be linked with modern day UFO sightings? He believes that inter-dimensional portals are not only a reality, but describes in his book how the early races were able to communicate with none-human entities at these Stargates. Having investigated with his wife Helen for the past three years a portal located in North Yorkshire, England, he presents in this ground breaking book photographic evidence for the reality of visitors to this world from another, as yet, unseen....