The first edition of Shakespeare's collected works, the First Folio , published in 1623, is one of the most valuable books in the world and has historically proven to be an attractive target for thieves. Of the 160 First Folios listed in a census of 1902, 14 were subsequently stolen-and only two of these were ever recovered. In his efforts to catalog all these precious First Folios , renowned Shakespeare scholar Eric Rasmussen embarked on a riveting...