The S.I.S. is the oldest and most up-to-date Society for information and research into cosmic catastrophes and ancient chronology revision.
Since 1974, it has offered a vibrant forum for research, publication and discussion on a very wide range of ideas.
Their website includes details of upcoming workshops and events, current and back issues of journals, and a book service.
Visit the Society's website at http://www.sis-group.org.uk for more information.