Personalized Whatif I Love to Swim with Whatif Monster Long Sleeve Creeper. Take a dip with the Whatif Monster! Whatif I Love to Swim with Whatif Monster Long Sleeve Creeper - Raspberry, from the hit children's book, "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. For chillier weather, dress baby in this soft long sleeve creeper in a great fitting 1x1 baby rib. 5.0 oz., 100% combed ringspun cotton, 1x1 baby rib. White is sewn with 100% cotton thread, Flatlock seams, Double-needle stitched rib binding on neck, shoulders, sleeves and leg openings,Reinforced three-snap closure on binding.