A 13-ft, 8-in by 12-ft, 4-in (4.18 by 3.77-m), 3130.5-lb (1420-kg) book with 346 pages and 434 images, introducing the flora, fauna, and villages of the Aggtelek National Park, Hungary, 2010.
Images via legnagyobbkonyv.com.
Quoted text via io9.