In 2000, the "Star Wars" prequel trilogy began with the release of "", and corresponding books in "The Art of Star Wars" series were published. As in previous volumes, these books contain paintings, sketches, mock-ups, models and photos of scenes, buildings, costumes, characters, spacecraft and creatures, along with digitally mastered pictures. The books chart the progress of production from original gouache drawings to the three-dimensional models of spaceships. McQuarrie had retired by this stage, and the production artwork of Doug Chiang features heavily in these books. Extracts from the "Episode I" book were published in a 48-page booklet accompanying a US "collectors' edition" videotape of "The Phantom Menace" in 2000.