Peter Enns has a forthcoming book entitled The Evolution of Adam: What the Bible Does and Doesn't Say about Human Origins.
Content aside, another basic problem with his book is that he already tipped his hand by doing a series at BioLogos. We know his position, as well as his supporting arguments, before we crack open the book.
It’s like couples who cohabit before they marry. Their wedding night is anticlimactic. Their honeymoon is just another vacation. They know exactly what to expect. It becomes a rerun rather than a discovery.
Why buy what you can get for free? Sure, he may fill out the contours of the argument a bit more, but we already know his interpretive strategy. How many times do you need to see the same commercial to know about the product?