The 10 Most Expensive Books in the World

The First Book of Urizen, William Blake — $2.5 million

The Tales of Beedle the Bard, J.K. Rowling — $3.98 million

Geographia Cosmographia, Claudius Ptolemy — $4 million

Traité des arbres fruitiers [Treatise on Fruit Trees] by Henri Louis Duhamel du Monceau, illustrated by Pierre Antoine Poiteau and Pierre Jean François Turpin — $4.5 million

The Gutenberg Bible — $4.9 million

First Folio, William Shakespeare — $6 million

The Canterbury Tales, Geoffrey Chaucer — $7.5 million

Birds of America, James Audubon — $11.5 million

The Gospels of Henry the Lion, Order of Saint Benedict — $11.7 million

The Codex Leicester, Leonardo da Vinci — $30.8 million