Since the publication of his first book in 2010, Bud became successful as an author.

On May 27, 2010 Bud Spencer starts a new career as a book writer with the publishing of his own autobiography “Altrimenti mi arrabbio”. The same year on november 25 the book is published in Hungary, in 2012 also in Germany by Schwarzkopf & Schwarzkopf achieving a great success. In 2012, the second book titled “In Eighty years around the world - The second part of my autobiography” appears on March 15. In October 2014 Bud celebrates his 85th birthday and his third book is also published. The third book’s title is “Mangio Ergo Sum - My philosophy of eating”. In this book he describes the nightmare he suffers during a prescribed diet and discusses his philosophical dilemmas with various philosophers from all ages.
Now that his body is getting older and doesn’t obey anymore to his 28 years old mind, Bud goes back to his love for philosophy and he’s already working with friend and co-author Lorenzo De Luca for a fourth book, an tribute to the millions of dedicated fans all over the world.