This book is enhanced with content such as audio or video, resulting in a large file that may take longer to download than expected.The enhanced e-book contains:15 videos with the author throughout the enhanced e-book, taking readers into his home and where he writes as he describes his travels around the Atlantic *A Personal Photo Album of Simon's travels not included in the print book or e-book *A Video Glossary with definitions of over 60 words*31 Footnotes unique to the enhanced e-book *8 Inserts throughout the book found only in the enhanced version, including the history of Vikings, the evolution of humans, and more.