Folger Shakespeare LibraryThe First Folio of Shakespeare, published in 1623, is an extraordinary book. About half of Shakespeare's plays had never previously appeared in print, including As You Like It, Julius Caesar, Macbeth, The Tempest, and many more. Without the First Folio, 18 plays might have been lost forever. Learn more about this remarkable bookâand the Folger's collection of First Folios, the largest in the world.