C. J. Mahaney recently posted an excerpt from the panel discussion that took place after John Piper's talk at this year's T4G conference. In the excerpt, Piper answers Ligon Duncan's question about what Bible passages and/or other authors he would direct people to for further study and reflection on the doctrines of justification and imputation.

C. J. also points to two of Piper's books on those doctrines:

HT: Justin Taylor