The Beatles Anthology is a book published in October 2000 as part of The Beatles Anthology film project. It includes interviews with all four band members, John Lennon, Paul McCartney, George Harrison and Ringo Starr, together with others involved, most notably producer George Martin, press officer Derek Taylor and roadie and head of Apple Corps, Neil Aspinall, who oversaw the project. From Wikipedia
Apple Corps revives the project using modern separation tech, unveiling unseen mid‑’90s footage under Giles Martin with restoration support from Peter Jackson’s teams.