Having accident is something that no one want. How can we prevent the harm from accidents? It means that we must have safety knowledge and know how to prevent them. Therefore we can keep ourselves from the arrival of accidents, and avoid causing harm to others due of unintentional behavior. This book personifies accidents into a little devil waiting to strike in order to teach readers lessons and make them aware of accidents.Having accident is something that no one want. How can we prevent the harm from accidents? It means that we must have safety knowledge and know how to prevent them. Therefore we can keep ourselves from the arrival of accidents, and avoid causing harm to others due of unintentional behavior. This book personifies accidents into a little devil waiting to strike in order to teach readers lessons and make them aware of accidents.