Another vote for How to Win Friends and Influence People. It's a very positive book (without being annoyingly positive) and has lots of great advice in the form

Another vote for How to Win Friends and Influence People. It's a very positive book (without being annoyingly positive) and has lots of great advice in the form of anecdotes or backstories of famous people. Greatly recommended, see also [1] if you need more convincing. [1]: http://stackoverflow.com/a/38227/181497 http://stackoverflow.com/a/38227/181497