Centers for Disease Control and Prevention
Centers for Disease Control: Viral Hepatitis a Frequently Asked Questions
Anything and everything you could think to ask about Hepatitis A, from general to specific. Questions and answers are clear and concise.
US Food and Drug Administration
Fda: Bad Bug Book
Downloadable listing of bacterial foodborne illnesses, including clostridium perfringens. Worded so kids can understand it and includes pictures.