Ithaka S+R has released Faster and Cheaper: Can a Digital-Centric Workflow Transform the Book Review?.
Here's an excerpt:
In July 2014, the American Anthropological Association (AAA) received funding from the Alfred P. Sloan Foundation's Digital Information Technology Program to help underwrite the development of a new digital prototype for book reviews. This prototype will be a website that supports a digital workflow from the publisher's electronic files all the way through to online publication of the review.
Digital Scholarship | "A Quarter-Century as an Open Access Publisher"