The ambigram in Angels and Demons really annoyed me—there it was, and it was very pretty, but the book claimed that "nobody had ever been able to create such a

The ambigram in Angels and Demons really annoyed me—there it was, and it was very pretty, but the book claimed that "nobody had ever been able to create such a thing". Yet clearly Dan Brown (or an illustrator he hired) could. It took me out of the book some.