<p>Heretofore Mr. Lang and his wife have dealt largely with folk-lore and legendary romance; now they find it necessary to turn to reality. As a trade-mark, they adhere to the rainbow nomenclature, but ' The red book of heroes ' claims to be history, wherein the lives represented are marked by two dominant characteristics, honor and courage.Accounts of such heroes as Florence Nightingale. John Howard the philanthropist, Hannibal, Father Damien, t...