D. A. Carson 
Gospel according to John [EPUB ebook] 

In this solid evangelical commentary on John’s Gospel, a respected Scripture expositor makes clear the flow of the text, engages a small but representative part of the massive secondary literature on John, shows how the Fourth Gospel contributes to biblical and systematic theology, and offers a consistent exposition of John as an evangelistic Gospel. The comprehensive introduction treats such matters as the authenticity, authorship, purpose, and structure of the Gospel.