May Pang, who was romantically involved with John Lennon from 1973 to 1974, published a book of photos she took during that time, titled, Instamatic Karma. The book carries an endorsement by Lennon's first wife, Cynthia.
Life with the Lennons
May Pang was the personal assistant to John Lennon and Yoko Ono beginning in 1970 and ending in 1975.
Pang became Lennon's lover during his Lost Weekend which actually lasted which lasted 18 months. Yono Ono, who was having marital problems with Lennon at the time, requested that Pang accompany Lennon to California.