My name is Mold, Susi Mold. She has a mission, she is relentless, and she is not alone: Susi Mold. She and her fellow organisms are dedicated to rotting and decaying, and there is little that they won't target. They lurk in lunchboxes, behind bedroom cabinets, in dark corners of basements, and even on baby bottoms and between toes. Leonora Leitl has found a new anti-heroine in Susi Mold, who joyfully joins the successful genre of informational picture books following "Gerda Gelse" and "Willi Virus." She provides informative accounts of her fungal life, raving about the wonderful colors with which she coats food and walls, complaining about her fame-hungry relatives who assist in the production of fine cheese and penicillin, and recounting many great achievements. For instance, archaeologists who excavate the tomb of Pharaoh Tut...