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

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Cynthia Lennon walks alongside John Lennon in this 1966 file photo. AP Photo hide caption

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John Lennon on his way to a Rod Stewart concert with his wife, Yoko Ono, in New York circa 1980. Keystone/Stringer hide caption

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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

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