In the letter to the Hebrews, we read 'At various times in the past and in various different ways, God spoke to our ancestors...' (Hebrews 1.1). 'At various times and in various ways', that is what this book is all about. Just how did God 'speak' to our ancestors? How did God make an abiding presence know in creation? It is an attempt to penetrate the varied manifestations of this Presence in the world and the religious sensitivities of humanity that...