Melissa Stewart es la autora galardonada de mas de ciento cincuenta libros de ciencias para ninos. Tiene titulos en biologia y periodismo cientifico. Sus libros mas recientes incluyen Summertime Sleepers; Seashells- More Than a Home; Feathers- Not Just for Flying; No Monkeys, No Chocolate; y Can an Aardvark Bark?. Melissa Stewart is the award-winning author of more than one hundred fifty science books for children. She holds degrees in biology and science journalism. Recent books include Summertime Sleepers; Seashells- More Than a Home; Feathers- Not Just for Flying; No Monkeys, No Chocolate; and Can an Aardvark Bark? Sarah S. Brannen es la autora de Bear Needs Help y Madame Martine, y la ilustradora de Summertime Sleepers- Animals That Estivate; Feathers- Not Just for Flying; Digging for Troy- From Homer to Hisarlik; y At Home in Her Tomb- Lady Dai and the Ancient Chinese Treasures of Mawangdui. www.sarahbrannen.com Sarah S. Brannen is the author of Bear Needs Help and Madame Martine, and the illustrator of Summertime Sleepers- Animals That Estivate; Feathers- Not Just for Flying; Digging for Troy- From Homer to Hisarlik; and At Home in Her Tomb- Lady Dai and the Ancient Chinese Treasures of Mawangdui. www.sarahbrannen.com