Bible
ESV Study Bible
God's Big Picture: Tracing the Storyline of the Bible, Vaughan Roberts
Taking God at His Word: Why the Bible Is Knowable, Necessary, and Enough, and What That Means for You and Me, Kevin DeYoung
Inerrancy and Worldview: Answering Modern Challenges to the Bible, Vern Poythress
Theology
Confessing the Faith: A Reader's Guide to the Westminster Confession, by Chad Van Dixhoorn
Knowing God, J.I. Packer
The Christian Faith, Michael Horton
Spiritual Growth
Devoted to God: Blueprints for Sanctification, Sinclair Ferguson
Spiritual Disciplines for the Christian Life, Donald Whitney
A Praying Life: Connecting With God In A Distracting World, Paul Miller
Openness Unhindered: Further Thoughts of an Unlikely Convert on Sexual Identity and Union with Christ, Rosaria Butterfield
Finally Free: Fighting for Purity with the Power of Grace, by Heath Lambert
(A book on pornography.)
Christians Get Depressed Too: Hope and Help for Depressed People, David Murray
See also the resources available through CCEF, a Christian counseling organization.
Church
Expositional Preaching, David Helm
What is the Mission of the Church?: Making Sense of Social Justice, Shalom, and the Great Commission, Greg Gilbert and Kevin DeYoung
Marriage and Parenting
Housewife Theologian: How the Gospel Interrupts the Ordinary, Aimee Byrd
The Meaning of Marriage, Tim Keller
Shepherding a Child's Heart, Tedd Tripp
A Neglected Grace: Family Worship in the Christian Home, Jason Helopoulos
Faith That Lasts: Raising Kids That Don't Leave the Church, Jon Nielson
Children
Big Beliefs!: Small Devotionals Introducing Your Family to Big Truths, David Helm
Training Hearts, Teaching Minds: Family Devotions Based on the Shorter Catechism, Starr Meade
The Church History ABCs: Augustine and 25 Other Heroes of the Faith, Stephen J. Nichols and Ned Bustard
See also the children's books listed at Westminster Seminary's Bookstore.
Evangelism and Apologetics
Honest Evangelism, Rico Tice
The Reason for God, Tim Keller
See also Christianity Explored and Two Ways to Live.