Keeping this one simple… from the publisher site:

This newest contribution to the 40 Questions series continues the tradition of excellent research presented in clear, user-friendly writing. 40 Questions About Salvation makes sense of one of Christianity’s most disputed doctrines, covering the most common and difficult questions about election, the order of salvation, and perseverance of the saints.

This volume will help pastors, college and seminary students, and all Christians who want to grow in their understanding of what the Bible teaches about salvation. Each chapter is succinct and readable, with a bibliography of additional resources for those who wish to study further.