http://www.knowledge.co.uk/xxx/cat/earth/index.htm
When the Earth Nearly Died
Compelling Evidence of A Catastrophic World Change 9,500 BC
(c) 1995 by By D S Allan and J B Delair. 386pp.
“Part Four is like the unravelling of a murder mystery: how could this catastrophic event of 11,500 years ago have come about? Some basic facts have to be explored: about Earth’s structure and magnetism; how polar shift or crustal displacement could occur; the nature of the solar system and the evidence for a planet having disappeared. Evidence for a cosmic upheaval having taken place at that time is considered, leading the authors to come to conclusions very different from Velikovsky’s - who studied similar evidence in his Worlds in Collision...”
(plagiarism?)