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It is hard to exaggerate the significance of Inner Land. Arnold's magnum opus, it absorbed his energies off and on for years: from World War I, when he published the first chapter, to the final days of his life in 1935, when what turned out to be the final manuscript was packed in metal boxes and buried at night until it could be smuggled out of Nazi Germany.Arnold saw this book as a way into the "inner land of the invisible, where man's spirit must find the roots of its strength before he can press on to the mastery of life he is called to by God".A treasure trove of remarkable depth, there is not a page that fails to prick the conscience -- or enkindle the spirit.Thomas MertonArnold's writing has all the simple, luminous, direct vision into things that I have come to associate with his name. It has the authentic ring of a truly evangelical Christianity, and moves me deeply. It stirs to repentance and renewal. I am very grateful for it.Christianity TodayCalls men and women to a life of such trust in God that their attitudes toward his kingdom, other people, material wealth, and earthly power are transformed.