Patrick O'Brien has been an illustrator and painter since 1985, working with such clients as National Geographic, The Discovery Channel, The Smithsonian, and the U.S. Naval Institute.
His artwork has appeared in magazines and newspapers, on posters and greeting cards, and even on billboards.
Patrick has written and illustrated thirteen children's books. Most of his books are about nonfiction subjects such as knights, pirates, ships, and dinosaurs. His latest books are a series of sci-fi adventures about dinosaurs in space.
Patrick is also an award-winning maritime painter, creating oil paintings of historic maritime scenes for sale in galleries.