I just got notice that Christian Book Distributors has a summer clearance sale on many books, including some up to 99% (yes, you read that right–99%!) off. Take a look, you might find something.
Here’s a few examples:
Oliver Crisp’s Retrieving Doctrine: Essays in Reformed Theology. – $1.99 (US)
Catherine Kelsey’s, Thinking about Christ with Scheiermacher. – $0.99 (US)
Gregory Alan Thornbury’s, Recovering Classic Evangelicalism: Applying the Wisdom and Vision of Carl F. H. Henry, – $1.99
Rupert Shortt, Rowan’s Rule: The Biography of the Archbishop of Canterbury, – $1.99 (US)
And of course, Karl Barth’s entire Church Dogmatics! – $179 (US)!