The Bible (Bible study helps)
'Talk thru the Bible' by Wilkinson and Boa - Gives a summary of every book of the Bible along with outlines.
'Insights in Bible Times and Customs' by Weiss - Provides cultural context to selected portions of the Bible.
'Expository Dictionary of Bible Words' by Richards - Contains the meaning for many words in the Bible according to the language it was written in (Hebrew and Greek).
'Book of Bible charts, maps and timelines' by Rose Publishing