For Presentations and Events
the author's agent is:
Sylvia Tidy-Harris
The Speakers Agency
UK
Telephone: +44 (0) 1530 263221
email address: sylvia-at-thespeakersagency.com
to use the email address, exchange -at- for @

The Author's Website
can be found here:
harrywitchel.com
note that there is only one "L" in Witchel