As announced previously, Elton will be signing copies of his autobiography, Me, at Waterstones Piccadilly.
Tickets for the event, to be held at noon on the 20th of November, sold out literally in seconds when they went on sale yesterday.
John's publishers said 300 tickets, which cost £28, to the event sold out in less than 10 seconds, with fans reporting the event website crashed due to demand.
A lengthy set of terms and conditions told ticket holders there will be no personal photo or video opportunities at the book signing. Nor will the luminary be dedicating copies of Me or autographing any other items. Ticket holders will be asked to leave cameras and mobile phones in a bag-drop area with the queue formed on a first come, first served basis.
The small print for the signing on Eventbrite adds: "The exact time at which the event ends will be determined by the promoters on the day. To avoid disappointment, we strongly advise you not to arrive any later than the signing start time. Late arrivals may not have the opportunity to meet Sir Elton John."