Personalized Librarian in Training Bookworm Toddler Full Zip Hooded Jacket. Cute librarian in training books and bookworm gift outfit Toddler Full Zip Hooded Jacket - Black 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.