Mine's Bigger is a book by David Kaplan about the sailing boat Maltese Falcon, owned by Tom Perkins. The book provides insights into the development of the boat and its technology, as well as the life and career of Tom Perkins. It also touches upon the reasons why billionaires like to build big yachts and go out to sea, emphasizing the sense of sovereignty that comes with it. The Maltese Falcon is considered one of the largest sailing vessels in the world.