Here are some books that you may find useful during your studies. Search the Bennies catalogue Accessit for more, or browse the Non-fiction collection NFS.
Special diets and food allergies by 
Diabetes cookbook by 
Always consider how you search. If you use inverted commas (eg. "Ancient Egypt") you will perform a more accurate search.
Also, consider limiting the results to educational insitutions by adding site:.edu to your search terms
Referencing using the Harvard Author-Date System
