Book 1 – The 60 Second Scholar: 100 Maxims for Mastering Bible Study
Book 2 – The 60 Second Scholar: 100 Insights that Illumine the Bible
Book 3 – The 60 Second Scholar: 100 Observations on Bible Doctrine
These are already available in Logos.
https://www.logos.com/product/176104/zondervan-brief-insights-on-the-bible
For whatever reason Zondervan slightly changed the series title but they are the same books.
@DMM The 3-volume Zondervan series is good, but it is not the same as the OP has mentioned. The 2018 Zondervan 'Brief Insights' series that you have referenced only have 80 insights per book. The 2015 CAM Publishing editions that the OP has referenced, all have 100 insights per book.
For instance, the 2015 Bible Doctrine (100 Observations) has a number of topics that are not included in the 2018 Brief Insights (Mastering Bible Doctrines) edition. For instance:
It would be awesome to have the numerous missing topics from the original series, available electronically to see the insights Dr. Heiser had on dozens of 'additional' topics included in those 2015 volumes. (I know you can purchase used print editions of the three 2015 books, but they are extremely expensive!)
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What did ancient Jews believe about demons and angels? This question has long been puzzling, not least because the Hebrew Bible says relatively little about such transmundane powers. In the centuries after the conquests of Alexander the Great, however, we find an explosion of explicit and systematic interest in, and…
Where does evil come from? If there is a sovereign creator God, as Christian faith holds, is this God ultimately responsible for evil? Does God's sovereignty mean that God causes each instance of sin and suffering? How do Satan, his demons and hell fit into God's providential oversight of all creation and history? How does…
One of the handful of Study Bibles to included the deuterocanonical books. https://www.harpercollins.com/products/the-sbl-study-bible?variant=41142752084002
@Rick Mansfield (Logos) Any chance Trueman's latest book will make it to Logos? You carry his other two and this one compliments them nicely.
His titles are very helpful in studies…please consider adding them.