Mother of twins, Stella McCallum, was frustrated by the lack of books available to teach her preschoolers how to take care of themselves, and others, in an emergency. The prevailing wisdom was that preschoolers were too young to understand safety messages. 'I disagreed, ' Stella says. 'Before our boys were two years old, they were introduced to fire drill as part of the household routine. They knew what to do when the smoke alarm went off. They have grown up knowing that the phone isn't a toy; what constitutes a real emergency and how to contact the emergency services. If most accidents...