A fantastic resource for your personal study is found at MyStudyBible.com. It contains a wealth of supplemental information to aid in study and meditation and understanding of the scriptures. Published by Lifeway, it includes the entire Holman Christian Standard Study Bible, and at least half a dozen study aids.
I am not compensated in any way for my endorsement. I think it is a resource worth using!
What Bible study resources do you find valuable?