contemporary approach, with over 100 pages of introductory articles, charts, maps, and many other good study aides; uses the NABRE translation.
Catholic Study Bible. 3rd edition. Donald Senior and John J. Collins, eds. New York: Oxford University Press, 2016 (2nd edition 2011; 1st edition 2002).
probably the best Study Bible currently available, with over 600 pages of introductory articles, "Reading Guides" to each biblical section and book, Lectionary tables, glossary, concordance, and maps, in addition to the text, introductions, and notes of the New American Bible (NABRE); a comprehensive all-in-one textbook!
contains some of the best introductions & notes currently available; presents the consensus of the best modern scholarship, by members of the Society of Biblical Literature (SBL); based on the New Revised Standard Version (NRSV) translation; the 1993 and 1997 editions are also still very good.
prints eight versions in parallel columns: DR (Douay-Rheims), NAB (New American Bible), RSV (Revised Standard Version), NRSV (New Revised Standard Version), JB (Jerusalem Bible), NJB (New Jerusalem Bible),GNT (Good News Translation), and CCB (Christian Community Bible).
with eight popular Protestant translations: KJV (King James Version), NASB (New American Standard Bible), NCB (New Century Bible), CEV (Contemporary English Version), NIV (New International Version), NLB (New Living Bible), NKJV (New King James Version), and The Message
the best one-volume dictionary available today, with brief articles, helpful cross-references, and additional bibliography; usually presents the consensus opinions of modern scholars; by members of the SBL.
updated edition of a standard classic (listed next).
The Interpreter's Dictionary of the Bible. 4 vols. George A. Buttrick, ed. Nashville: Abingdon, 1962.
& The Interpreter's Dictionary of the Bible. Supplementary Volume. Keith Crim, ed. Nashville: Abingdon, 1976.
older, but still an excellent resource for many topics; check the supplementary volume for updated articles on some topics.
There are many other commentary series with individual volumes on each biblical book; see especially:
"Anchor Bible Commentary" series (Doubleday) - large, detailed, mostly excellent volumes; some still being revised/republished.
"Berit Olam" (OT) and "Sacra Pagina" (NT) series (Liturgical Press) - excellent volumes combining academic scholarship with a more pastoral focus.
"Old Testament Message" and "New Testament Message" series (Liturgical Press) - shorter, slightly older, but still good intros.
"Doubleday NT Commentary" series (Image Books) - short volumes entitled "Invitation to XYZ: A Commentary on XYZ with Complete Text from The Jerusalem Bible"; older, shorter, but still useful; available in many public and parish libraries.
Bible Atlases & Archaeological Encyclopedias:
Oxford Bible Atlas. Adrian Curtis, ed. 4th edition. New York: Oxford University Press, 2007.