Book A hilarious rhyming picture book from award-winning educator and comedian Alvin Irby. This laugh-out-loud story follows a young boy who loves eating his boogers despite the protest of everyone he encounters. Tapping into the universal and hilariously gross behavior of children everywhere, Gross Greg invites readers to reflect on and laugh about the joys of childhood. Click here to play fun Gross Greg Math games. Only $14.99 Click here to buy Ebook or Audio Book. Check out these amazing illustrations from Gross Greg!