Library Journal, "Best Sellers: Religion":

They list their top 20 for the from May 2012-April 2013 here. Below is the top 10:

1) Through the Eye of a Needle: Wealth, the Fall of Rome, and the Making of Christianity in the West, 350–550 AD
Brown, Peter
Princeton University Press
2012. ISBN 9780691152905. $39.95 

2) The Color of Christ: The Son of God & the Saga of Race in America
Harvey, Paul [NOTE: Ed Blum co-authored.]
University of North Carolina Press
2012. ISBN 9780807835722. $32.50 

3) The War on Heresy
Moore, R.I.
Belknap: Harvard University Press
2012. ISBN 9780674065826. $35 

4) New Worlds: A Religious History of Latin America
Lynch, John
Yale University Press
2012. ISBN 9780300166804. $35 

5) Brigham Young: Pioneer Prophet
Turner, John G.
Belknap: Harvard University Press
2012. ISBN 9780674049673. $35 

6) The First Thousand Years: A Global History of Christianity
Wilken, Robert Louis
Yale University Press
2012. ISBN 9780300118841. $35 

7) Why Tolerate Religion?
Leiter, Brian
Princeton University Press
2013. ISBN 9780691153612. $24.95 

8) The Religious Roots of the First Amendment: Dissenting Protestants and the Separation of Church and State
Miller, Nicholas P.
Oxford University Press
2012. ISBN 9780199858361. $35 

9) The Religious Beliefs of America’s Founders: Reason, Revelation, Revolution
Frazer, Gregg L.
University Press of Kansas
2012. ISBN 9780700618453. $34.95 

10) Just and Unjust Peace: An Ethic of Political Reconciliation
Philpott, Daniel
Oxford University Press
2012. ISBN 9780199827565. $29.95