Martellus Bennett has written a children’s book, launching app to go with it

It probably does not surprise anyone who has followed the exploits of the Black Unicorn over the years to know that he has a fertile imagination. But now, Patriots tight end Martellus Bennett is using it for educational purposes. Via Fitz Tepper of TechCrunch.com, Bennett has created a company called The Imagination Agency, and has created a…