I own the NDBT, however this is not all that detailed and more of a overall look at certain topics. At the moment besides the NDBT I have the book From Creation to the Cross by Albert Bayliss. and I have a book on Pauline theology by Cousar. I was thinking about this book Dominion and Dynasty: A Biblical Theology of the Hebrew Bible but not sure yet as I have not examined it in detail. I am aware of a NT Theology book by GK Beale however it looks to be too detailed. I also see that NT Right writes books, however he seems to be connected to the New Perspectives on Paul. So what would be the benefits of studying Biblical theology in depth? This is not exactly a playground for Reformed as they will lean into Systematic Theology. To be honest I never took this class and may like to wise myself up.