Here is a basic Bible Study Library that I recommended to my friend Stephen Doxsee a while back (with some minor changes). It may be helpful to some of you in building a small library that will help you in the study of God's Word for the rest of your life.
New Bible Dictionary and New Bible Commentary (IVP) as a set (good deal!): see here.
A Harmony of the Gospels: New American Standard Edition (Hardcover) [or Synopsis of The Four Gospels : Greek/English (Hardcover) by Kurt Aland (Author)]
by Robert L. Thomas (Author), Stanley N. Gundry (Author)
[or Synopsis of The Four Gospels : Greek/English (Hardcover) by Kurt Aland (Author)]
Zondervan Handbook to the Bible
The International Standard Bible Encyclopedia
(buy at CBD, super cheap!: See here)
Hard Sayings of the Bible by Walter Kaiser Jr. and F.F. Bruce
Encyclopedia of Bible Difficulties by Gleason Archer
NET Bible (shows how they came up with the translation in the footnotes)
Avaliable at http://www.bible.org/ (make sure you don’t get the readers version, but the one with the footnotes); also avaliable for free to view and/or download to your computer here.
The ESV Bible (good literal translation for Bible Study; view online at http://www.gnpcb.org/esv/.
The MacMillian Bible Atlas
Biblica: The Bible Atlas: A Social and Historical Journey Through the Lands of the Bible by Prof. Barry J. Beitzel (Editor)
IVP Bible Background Commentary: Old Testament
IVP Bible Background Commentary: New Testament
How to Read the Bible for All Its Worth by Gordon Fee and Douglas Stuart
Exegetical Fallacies by D.A. CarsonAn Introduction to Biblical Hermeneutics by Walter Kaiser and Moises Silva
The best book to look at for picking excellent individual commentaries is: The Essential Commentaries for a Preacher’s Library by Dr. Derek W. H. Thomas: see here.
New Testament Commentary Survey by D.A. Carson
Old Testament Commentary Survey by Tremper Longman III
Mounce's Complete Expository Dictionary of Old & New Testament Words by William D. Mounce (Editor)
Systematic Theology by Wayne Grudem
The History of Christianity edited by Tim Dowley