Personalized Whatif Monster Try Something New Youth T-Shirt. Give it a try, you just might like it! That's the moral of "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt, and that's also the moral of Whatif Monster Try Something New Youth T-Shirt - Heather. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.