Here you go - the actual Rules for Capitalization in Titles (it's true that certain words are NOT to be capitalized, such as, in, the, an, a, from, etc--when these words are between the first and last words in the title...)
http://grammar.yourdictionary.com/ca...in-titles.html
You can find 3.42 million more pages about this by searching at Google for this:
should all words in a title be capitalized