I decided not to limit myself to ten, because it was too hard. Instead I classified things by category.
Fiction:
Oliver Twist & A Christmas Carol by Charles Dickens
Wingfeather Saga by Andrew Peterson
Manalive by G.K. Chesterton
The Brothers Karamazov by Fyodor Dostoyevsky
Biography / Memoir:
The Interesting Life of Olaudah Equiano, the African by Olaudah Equiano
America’s Pastor: Billy Graham and the Shaping of a Nation by Grant Wacker
Anything You Can Imagine: Peter Jackson and the Making of Middle-Earth by Ian Nathan
Born Again by Charles W. Colson
Cultural Analysis / Criticism:
The Madness of Crowds by Douglas Murray
The Abolition of Man by C.S. Lewis
Our Secular Age: Ten Years of Reading and Applying Charles Taylor edited by Collin Hansen
Out of the Ashes: Rebuilding American Culture by Anthony Esolen
The Superstition of Divorce by G.K. Chesterton
Theology & Christian Living
The Whole Christ by Sinclair Ferguson
Fool’s Talk by Os Guinness
He Descended to the Dead by Matthew Emerson
The Expulsive Power of a New Affection by Thomas Chalmers
Mere Fundamentalism by Douglas Wilson
Gentle and Lowly by Dane C. Ortlund
History
Nein! by Paddy Ashdown
The First Thousand Years by Robert Louis Wilken
The Legacy of the King James Bible by Leland Ryken
Hard to Classify:
Planet Narnia by Michael Ward