In no particular order...
1. "The Gospel of the Kingdom" - George Ladd
--I re-read this book in 2007 and it was just as amazing as I had remembered. This is a must read for any Christian.
2. "Jesus the Messiah" - Robert Stein
--A wonderful book about Jesus' life and ministry.
3. "Knowing Jesus Through the Old Testament" - Christopher Wright
--Beautifully written book about understanding Jesus' fulfillments of the Old Testament and God's design for Israel.
4. "The Irresistable Revolution: Living as an Ordinary Radical" - Shane Claiborne
--A challenging book for Christians; well written, convicting, eye opener.
5. "A Case for Amillennialism: Understanding the End Times" - Kim Riddlebarger
--Finished this one right before 2008; a great read for anyone who is interested in eschatology. Riddlebarger gives great evidence for Amillennialism...I am almost convinced!