'Alister McGrath is a brilliant guide to Jim Packer's invigorating theological vision. Crisp, incisive commentary on every page!' - Andrew Atherstone, Wycliffe Hall, University of OxfordJ. I. Packer was one of the most influential evangelical theological and spiritual writers of the twentieth century, best known for his classic work of spirituality Knowing God. In the 1990s, Christianity Today rea...