I posted a Twitter question asking for favorite books on the Cross. Here are the responses given without comment. My favorites are at the end.
6 Mentions
- The Cross of Christ | John Stott
 
2 Mentions
- Redemption Accomplished and Applied | John Murray
 - 50 Reasons Why Jesus Came To Die | John Piper
 - Death By Love | Mark Driscoll
 
1 Mention
- King's Cross | Tim Keller
 - The Death of Death in the Death of Christ | John Owen
 - Scandalous | DA Carson
 - In My Place Condemned He Stood | Packer and Dever
 - The Cross and Christian Ministry | DA Carson
 - Christus Victor | Gustaf Aulen
 - The Cross-Centered Life | CJ Mahaney
 - God the Peacemaker | Graham Cole
 - The Cross and Salvation | Bruce Demarest
 - A Scandalous Beauty | Thomas Schmidt
 - Jesus and the Victory of God | NT Wright
 - Crucifixion | Martin Hengel
 - Spectacular Sins | John Piper
 - The Wonderous Cross | Stephen Holmes
 - Atonement | TF Torrence
 
Fake Joe Thorn said Note To Self, but maybe he wasn't serious. :)
My response, 5 of my favorites...
- The Cross of Christ | John Stott - clear winner for me too
 - 50 Reasons Why Jesus Came To Die | John Piper
 - Redemption Accomplished and Applied | John Murray
 - Jesus' Blood and Righteousness | Brian Vickers
 - The Cross-Centered Life | CJ Mahaney
 
                
              