If you’re looking to begin a study of Ezra and Nehemiah, Russell Meek has some important background for you to consider. He places the work within its historical context before tracing out some of the main theological themes: God’s sovereignty, worship, justice, and Scripture. Here is a taste:
I think the most important theological contribution Ezra-Nehemiah makes to our cultural context is its vision of the all-encompassingness of walking with God. These books show that every aspect of life is governed by the sovereign God. And this God is concerned about all aspects of life; there is no sacred-secular divide, no distinction between religious devotion and the rest of life—food, sex, work, worship, parenting, sorrow, joy, and everything else we do and experience in this life and the next comes under the sovereign purview of our almighty, faithful, fierce, loving Father. And, really, is that not the message of the entire Bible?