If you don’t ‘do’ Amazon, our fencing books are now on Kobo in e-pub format via the Kobo book stores internationally.
The Kobo website will take its best guess at your home territory based on browser language and IP address to present the store page for your country. You can find search by author or title.
The direct links for the US store are:
Winning at Épée: Techniques for the Shorter Fencer
Modern Olympic Fencing: Questions and Answers
The Art of Foil Fencing (2nd Edition)