Personalized I Don't Have Time to Worry: Jonathan James Toddler Long Sleeve T-Shirt. From the children's book, "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt, I Don't Have Time to Worry: Jonathan James Toddler Long Sleeve Tee - Light Blue gives your child a reminder that worrying takes up way too much time. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.