There are many self-help books out there and by authors who have wrote some pretty encouraging stuff. Some of the books I like are: 1. 7 Habits of highly effective people by Stephen R. Covey- A very old book and very effective book by author with more than 20 yrs of experience. 2. Think and grow rich by Napoleon Hill - Another masterpiece in business as well as self help category. 3.Screw it, let's do it - Richard Branson- Here he tells his own stories and inspires us to follow our dreams. 4. Rich dad, poor dad by Robert Kiyosaki - another masterpiece on self help and financial management. 5. The Alchemist by Paulo Coelho - The international Bestseller makes us understand to follow oue dreams through the journey of the sheperd boy.
These are my top 5 books in this category and there are many other authors who have written great books like Robin Sharma, Dale Carnegie,Eckhart Tolle, Rick Warren among many others.