InvisibleBy: David Soren From the director of the Captain Underpants movie and Turbo comes a heavily illustrated middle grade novel full of humor and heart that captures the rollercoaster ride of growing up with an invisible disability. For fans of Wink and Wonder! "A hilarious and unforgettable tale of triumph over trauma that nobody can see."Dav Pilkey, author and illustrator of Dog Man J. J. Sugar was only eight years old when he discovered that he could