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Hard to 'Swallow': Book details ingested foreign objects

Courtesy of Mary Cappello / "Swallow"

An X-ray reveals swallowed safety pins, a case Dr. Chevalier Jackson described as one of his most difficult.

As we've told you before, some people swallow some very weird things. Now, a new book called "Swallow: Foreign Bodies, Their Ingestion, Inspiration, and the Curious Doctor Who Extracted Them," details the practice of Dr. Chevalier Jackson, a larynologist who specialized in the nonsurgical extraction of foreign bodies that were swallowed or inhaled. Check out the freaky images in our photo gallery.