“An hour later Paul came back and we went into the top bar and offered them champagne, but Linda took over and poured it.
“Then dad picked up the camera and asked if he could take some photos, but Linda said she would take them as she was a good photographer.”
The book on the legendary Liverpool club gives readers an insight into the venue after Debbie’s dad took over the helm.
The family re-built it into a popular nightspot and tourist destination before selling it on four years later.
The former Beatle paid tribute to both Linda, who died of breast cancer in 1998, and his current wife Nancy at a US festival in October.
He sang ‘Maybe I’m Amazed’ for his late wife and dedicated ‘My Valentine’ to Nancy – ahead of their fifth wedding anniversary that month.
The pop legend has recently admitted he almost gave up performing in the early days of The Beatles because of stage fright.
The star said he felt physically sick and was thinking he “should give this up, this is just too painful.”
He also said he feared getting beaten up by a gang growing up in his native Liverpool.