 Pang 's book of photographs , Instamatic Karma , was published in 2008 . Besides the candid personal portraits , the book contains some historically important photographs , such as Lennon signing the official dissolution of The Beatles ' partnership , and the last known photograph of Lennon and Paul McCartney together . Cynthia Lennon also provided a back cover endorsement , acknowledging Pang 's role in reuniting Lennon with his estranged first son , Julian . 
