I don't think there is a sensible answer to that question. What exactly does 'best" mean?
The notes for the SIA subject C2 Financial Statement Analysis and Valuation are excellent, because they are focused on the local market and up-to-date.
The 'bible" for security analysis is Ben Graham et al's classic Security Analysis. However, it is rather daunting. Much more accessible is his book The Intelligent Investor. I think this is a book that everyone should read. It deals with Value Investing.
I simplified some of the key ideas in my article on Margin of Safety in the first Shares Charting Guide.
On Growth Investing Philip Fisher's work is top notch - especially Common Stocks and Uncommon Profits. The Wiley edition includes his other writings. His son Kenneth Fisher also wrote a very good book called Super Stocks.