Biographical portraits of various Christian heroes: Comprises essays on :- William Smith, The Father of English Geology; Thomas Waghorn, The Pioneer of the Overland Route; Robert Raikes, The Founder of Sunday Schools; David Nasmith, The Founder of the City Mission; Captain Coram and the Foundling Hospital; Henry Martyn, The Church Missionary; William Scoresby, The Sailor Clergyman; The Two Brunels, A Study for Young Engineers; Marshall Hall, The Physical Enthusiast; Thomas Dick, The Christian Philosopher; Henry Cort, The Story of an Inventor; George Wilson, The Chemist, The Power of the Soul Over the Body.