John Lennon and his wife, Yoko Ono, pictured above in January 1970, are the subjects of Jonathan Cott's new book Days That I'll Remember. Cott met Lennon in 1968 and was friends with the couple. Anthony Cox/Getty Images hide caption

itoggle caption Anthony Cox/Getty Images

John Lennon and Yoko Ono greet the press from the Presidential Suite of the Hilton Hotel in Amsterdam on March 25, 1969. Central Press/Getty Images hide caption

itoggle caption Central Press/Getty Images