Why book online?
By booking online prior to the event then you will be sure of a reading and not arrive to find Ian already fully booked.
Also by booking online prior to the event you will know ahead of time when your reading will start.
Booking online prior to the event also enables Ian to keep you fully informed of any changes or unforseen circumstances that may happen.
When booking online prior to the event you know the reading is guaranteed and that it is paid for.