Leisure Arts-Crochet Baby Hats. Whether dainty, playful or all-boy, baby will be extra cute in these ten crocheted hats. Each design in Baby Hats is sized for 3, 6 and 12 months and is quick and easy to make with the books clear instructions and bonus online technique videos. Author: Annastasia Cruz. Softcover; 32 pages. Published Year: 2014. ISBN 978-1-4647-1402-3. Made in USA.