mostly non-fiction and God-oriented, but fiction is cool, too. 

some favorites without much thought and in no particular order...

Systematic Theology - Wayne Grudem

Dictionary for Theological Interpretation of the Bible - Kevin VanHoozer, editor w/ Craig Bartholomew, N.T. Wright, Daniel Trefer, associate editors

Contours of Pauline Theology - Tom Holland

Revelation - Four Views - Steve Gregg

The Design Revolution - William Dembski

The Next Reformation - Carl Raschke

Baker Encyclopedia of Christian Apologetics - Norman Geisler

Know the Truth - Bruce Milne 

Mere Christianity - C.S. Lewis 

Eusebius' church history

Practicing the Presence of God - Brother Lawrence

Confessions - Augustine

some fiction stuff:

Chronicles of Narnia - C. S. Lewis

Lord of the Rings trilogy - J.R.R. Tolkien

The Mouse and the Motorcycle/Runaway Ralph - Beverly Cleary

A Wrinkle in Time/A Swiftly Tilting Planet/A Wind in the Door - Madeline L'Engle

C.S. Lewis, Space Trilogy

wish list:

New Dictionary of Christian Apologetics

 

Christianity Today best of 2007