Man becomes happy by becoming like to God. The Cross, willingly accepted and borne in union with Christ, effects this likeness,"" so writes Dr. Leen whose earlier book In the Likeness of Christ has been one of the best selling religious books in recent years. This book is important because of Dr. Leen, and because of its subject. Books on the Cross are always in demand with the clergy, with Lent approaching when the Cross will be paramount, because it answers to the best of man's ability, man's cry of the ages, ""Why?"" ""Why?"" ""Why the Cross?