{"@context": "http://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "item": {"@id": "http:\/\/www.youtube.com\/channel\/UCWmGrfitdUoG844Er89DM0A", "name": "teachermrsa"}}]}

Author Agatha Christie has sold an estimated 2 billion copies of her works, second only to the Bible and the works of William Shakespeare. But as people continue reading her mysteries today, many have forgotten about the biggest mystery in Christie's own life — a sensational disappearance that took place not long after WWI. That disappearance is the focus of a new novel by Marie Benedict. Jeff Glor sat down with her.

Agatha Christie was a mystery writer who was one of the world's top-selling authors with works like 'Murder on the Orient Express' and 'The Mystery of the Blue Train.'

Did you know she once disappeared?

Read an excerpt from Marie Benedict's novel 'The Mystery of Mrs. Christie.'