“This updated and revised Pillar commentary seeks to clearly explain the meaning of the letters of John to teachers, pastors, and general readers looking for a reliable and trusted resource for personal study. Colin Kruse introduces the important issues involved in interpreting the Johannine letters, gives verse-by-verse comments, and provides extensive discussion of major theological themes, including the real humanity of Christ, atonement, the role of the Spirit, Christian assurance, koinōnia, Christian love, and eternal life.” – Eerdmans