A few years back I was going through a bad time (not for the first time in my life either) and bought this book:
The Art of Happiness: A Handbook for Living - Dalai Lama & Howard C. Cutler.

Makes an awful lot of sense when things aren't going as well as you'd like, I'd recommend it to anyone who needs a shot of something good in their life. The one-line take home message from it is that we frequently go after things which will only bring temporary pleasure rather than real happiness, and we need to be able to tell these apart.

Me, well I'm on cloud nine these days, I'm not rich, my car is very ordinary and I'm currently between jobs, but I've got my perfect partner and she's as crazy about me as I am about her, and for the first time in a long while I really looking forward to the future