From Yukon to Yucatan

Just finished reading a travel book "From Yukon to Yucatan" by Irwin Allan Sealy. It is a unique travel book in that the author retraced the route taken by the first travellers when they arrived into America from across Siberia - they traveled from Alaska into American continent across the western path and then onto Mexico where they crossed all the way into east to a town called Yucatan. The book traces a lot of history and culture across Mexico, which was really lacking in U.S. It took the author three months to travel and it took me almost that much time to read this book, busy as i was with a lot of things on my hand.