At church we are doing the 40 Days of Purpose course centred around the Bible and The Purpose Driven Life book by Rick Warren. We just started it tonight and will be (with God's help) committing the next forty days to finding the purpose for living and why we are here. We are only on the first day so I don't know so much about it yet but so far the book is very inspirational and really invigorates your faith. Great stuff!
I'm sure many of you have heard of it, and I have heard of it some time ago but only remembered about it recently. If you want to grow in your faith and find out what God wants for your life, this book (along with the Bible) will help you accomplish that. I recommend it.
(But it isn't meant to be a substitute for reading the Bible, nothing should be)
God Bless!