This biography is now available exclusively through desiring God.You can buy it or download it for free.Here's John Piper giving some more info on the book:
With Calvin’s 500th birthday just weeks away, reading Parker’s Portrait would be a fine way to mark the historic date.
Also, through the life and ministry of John Calvin, Desiring God will turn its sights to God and his Son at our national conference this September.
Registration is now open and if you register by the end of June, you'll get the early-bird rate.
Wednesday, June 17, 2009
Parker's Portrait of Calvin
David Mathis on DG's republishing of T. H. L. Parker’s Portrait of Calvin: