These are books that I have read that have made an impact in my life in one way or another. I have tried to include some books from different categories. Some of them are books that I think every believer should read. If you are looking for something to read I hope this can give you some helpful direction in something to choose.
These are in no particular order:
Mere Christianity by C.S. Lewis (Amazon)
This is a classic that I have used over and over again.
Knowing God by J.I. Packer (Amazon)
This is another classic book. This is about the Biblical theology of knowing and being known by God. Every believer should be familiar with this book. (IMO)
Gospel: Recovering The Power That Made Christianity by J.D. Greear (Amazon)
Greear is a youngish pastor and this book is a great book on what the gospel is and the place it should be in our life. (hint: the center)
Radical: Taking Back Your Faith From The American Dream (Amazon)
This is a great book that identifies some common misconceptions about the gospel. We must look at the gospel from the pages of scripture and not through the lens of our western, american culture or we will distort that gospel.
To The Golden Shore: The Life of Adoniram Judson by Courtney Anderson (Amazon)
This is my favorite missionary biography. If you have never heard of Adoniram Judson you should read this book. It always challenges me and encourages me to courageously engage in the great commission of Christ.
George Mueller of Bristol: His Life of Prayer and Faith by A.T. Pierson (Amazon)
This is another one of my favorite missionaries. Mueller's life and story inspires me to strengthen my faith and be a man of prayer.
The Insanity of God: A True Story of Faith Resurrected by Nik Ripken (Amazon)
I read Ripken's book last summer and couldn't put it down. Some of the stories in this book are absolutely stunning and evidence of the work of God among persecuted people groups. I challenge to read this book.
Can Man Live Without God by Ravi Zacharias (Amazon)
I love Ravi Zacharias. He does Christian apologetics. He will make you think. I love to read apologetics but not because it helps me witness to atheists. It does that, but I like to read them because it makes me think deeply about my faith and strengthens it along the way.
Stealing From God: Why Atheists Need God To Make Their Case by Frank Turek (Amazon)
This is another book on apologetics. I started reading it last summer and couldn't put it down either.
Unbroken: A World War II Story of Survival, Resilience, and Redemption by Laura Hillenbrand (Amazon)
I know this came out as a hit movie last year. If you have seen the movie, you need to read the book. There is so much more to the story. It is thrilling and has a great message about the power of the gospel that the movie leaves out.
That is probably enough to get you started. If you finish these, let me know and I can recommend some others.