Personalized Let's Go Exploring with Cordelia Toddler Long Sleeve T-Shirt. Adventure awaits with Lets Go Exploring with Cordelia Toddler Long Sleeve Tee - White, perfect for little explorerers and fans of the children's book "Cordelia" by Michelle Nelson-Schmidt. 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.