Personalized Mimi Little Bookworm Reading Youth T-Shirt. Cute Mimi's little bookworm grandchild gift for kids who enjoy reading comes on a Youth T-Shirt - White 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.