Free Logos Book – 40 Questions about Christians and Biblical Law by Thomas R. Schreiner ($18 after July 2015)
Thomas Schreiner explains the interplay between Christianity and biblical law in this excellent addition to the 40 Questions & Answers series. Schreiner not only coherently answers the tough questions that flow from a discussion about Levitical law, but also engages students in an engaging and clear style.
https://www.logos.com/free-book-of-the-month