If you are new to Christianity the Bible can seem like a hard book to know where to start reading, much more make sense once you start reading. Even Christians are challenged to understand how the various books of the Bible fit together.
In a sense, the Bible is like a library with 66 books inside. Each book is unique but also unifying in telling one grand narrative (story) of a true God with real people. Below are links to a message series I taught a few years ago. They are an overview of every book of the Bible. You can read/listen to each message. You can also see the combined overview of all the messages in a summary document in the first link. I pray this helps readers and listeners have an understanding of both the word of God and the God of the word.
God of the Word_Bible Books Overview
God Who Commands Worship (Genesis – Deuteronomy)
God Who Leads (Joshua – Kings)
God Who Gives Song (Job – Song of Solomon)
God Who Promises (Prophets: Isaiah – Malachi)
God Who Became One Of Us (Gospels: Matthew – John)
God Who Is Unleashed (Acts)
God Who Gathers (Letters: Romans – Jude)
God Who Triumphs (Revelation)
Also of interest:
Bibles for children in the faith
The God Who Is There: Finding Your Place in God’s Story (D.A. Carson)
Growing Godly Generations 
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