 In 2014 ABOUTAsia released a new field guide to the Angkor temples, "The Angkor Guidebook", written by ABOUTAsia CEO Andrew Booth.A team of historians was assembled by Booth in 2011, who together set out to answer the question of what the Angkor temples would have looked like in their prime.The book features innovative transparent overlays created by French artist Bruno Lévy to offer a travelers an impression of what the temples would have looked like in the 8th-14th centuries, as well as featuring never before-published photographs from the early part of the 20th century from École française d'Extrême-Orient; Booth spent 10 days searching through 25,000 images to display the state of ruin of the temples when they were discovered by Henri Mouhot.