Be sure to review all the resources on this web site, as well as use the checklist to prepare your 2007 taxes from the Canadian Money Saver:
The National Post newspaper has some excellent videos as well as a library of good information:
http://www.financialpost.com/money/taxes/index.html
CCRA has a great deal of free and useful information for individuals, families and businesses:
http://www.cra-arc.gc.ca/menu-e.html
"A penny saved is a penny earned" so check out your local library before buying a book and here are some you could look for: