Personalized Whatif Monster Long Sleeve T-Shirt. What if you took that chance, and discovered just how great you are? Whatif Monster Long Sleeve T-Shirt - Azalea from the children's book, "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL