My views on this topic can be found in my e-book ‘Other Earths: Alternate Outcomes of Geological Developments & Prehistoric Times’ by Alexander Rooksmoor. It is available for purchase on Amazon: http://www.amazon.com/Other-Earths-Developments-Prehistoric-ebook/dp/B0089EIJBQ/ref=sr_1_1?ie=UTF8&qid=1339081071&sr=8-1
UK readers might prefer to access it through: http://www.amazon.co.uk/Other-Earths-Developments-Prehistoric-ebook/dp/B0089EIJBQ/ref=sr_1_1?ie=UTF8&qid=1339081015&sr=8-1
