
Own the Complete Bugatti Authentication Set
Experience the ultimate collector’s bundle — The Forbidden Bugatti Authentication Handbook together with the official Bugatti Authenticity Certificate.
Uncover the methods. Record your car’s history. Preserve its legacy.
Shop the Bugatti Product Catalog
For decades, the story of Bugatti has captivated car lovers and collectors around the world. Now, for the first time, the Bugatti community can dive deeper into the unknown chapters of this legendary marque. Claude Teisen-Simony presents two essential reads that every Bugatti enthusiast needs in their collection: The Hidden Bugatti-Diatto Alliance and The Forbidden Bugatti Authentication Handbook. These books uncover secret histories, hidden alliances, and the untold truths behind Bugatti’s most legendary designs.


The Hidden Bugatti Diatto Alliance


The Bugatti Authentication book
Book reviews

About the author
Claude Teisen-Simony is not just an author — he is a lifelong Bugatti enthusiast, historian, and collector. Over the years, he has owned a dozen Bugattis, restored half of them, and conducted extensive research on many more. These books are the culmination of decades of passion, meticulous investigation, and a deep desire to share Bugatti’s hidden stories with the community that cherishes them most.
Join the Ranks of Bugatti Connoisseurs
For the Bugatti community, these books are more than just a purchase—they’re an investment in preserving and understanding the legacy of Ettore Bugatti. Whether you’re a collector, historian, or lifelong fan, these books will deepen your appreciation for Bugatti’s rich history.




