Ali Gledhill recommends Mark Dever's short and accessible book on evangelism.
Generous Justice is a very important book, and one I would recommend to almost everyone. Tim Keller addresses the minefield of the Bible's teaching on justice - what does it mean to do justice, and how do we act justly in 21st Century society? The book is subtitled "How God's grace makes us just", which pithily demonstrates Keller's attitude to Christian justice: it is the inevitable consequence of understanding God's saving grace.
Crossring's keynote series of articles covering the second half of Mark's gospel.
A series of Daily Readings picking up some big ideas in the 12 books of the Minor Prophets.
A series of articles on the beatitudes of Matthew 5.