Bible Study Methods by Rick Warren
Foundations of the Christian Faith by James Montgomery Boice
What the Bible is All About by Henrietta Mears
Living By the Book by Howard and William Hendricks
How to Study Your Bible by Kay and David Arthur
Spiritual Disciplines for the Christian Life by Donald Whitney
Learn to Study the Bible: Forty Different Step-by-Step Methods to Help You Discover, Apply, and Enjoy God?s Word by Andy Deane
Grasping God?s Word: A Hands-on Approach to Reading, Interpreting, and Applying the Bible by J. Scott Duvall and J. Daniel Hays
Bible.com // phone app with lots of Bible versions, reading plans, audio option for reading
Blueletterbible.org // has commentaries, Bible dictionaries, etc.
Biblehub.com // has good historical and contextual information, ability to view multiple versions of a verse at once, original Greek/Hebrew/Aramaic
overviewbible.com/books-of-the-bible // gives a brief overview of the content of all 66 books
gospelproject.com // visual posters and videos that help understand context and overarching themes of books in the Bible
bestcommentaries.com // rates various Bible commentaries to help with specific studies