BY SYLVANUS STALL, D. D. Condensed Table of Contents PART I God’s purpose in endowing plants, animals and man with reproductive power—The question of the origin of life a natural and proper one—Difference between creating and making—How God now creates or reproduces the flowers, insects, fishes and animals—The mamma and papa plants and the baby plants—The mamma and papa nature in the stalk of corn—The two natures united in the same flower—Separated in other plants—The office of the wind and insects in fertilizing the flowers—The mamma and papa natures united in the same oyster—The life of the baby oyster—The two natures separated in the fishes—The eggs and the baby fishes—How seeds are made to grow and how eggs are hatched—The beautiful lives of parent birds—The bird’s nest, the eggs and the baby birds—Why the eggs of animals may not be exposed in a nest—The nest which God has prepared for them—The hatching of the egg or the birth of the animal—The creation of Adam and Eve—God created man with power similar to his creative power—The purity of parentage. PART II The manner in which the reproductive organs are injured in boys by abuse—Comparative anatomy, or points of resemblance between bodies of birds, animals and man—Man the only animal with a perfect hand—With the hand he constructs, builds and blesses—With the hand he smites, slays and injures others, and degrades himself. PART III The consequences in boys of the abuse of the reproductive organs—Need of proper information—The moral effects first to manifest themselves—How secret sin affects the character of boys—Effects upon the body and the nerves—Effects upon the brain and mind—The physical effects that follow. PARTS IV and V How boys may preserve their bodies in purity and strength—Our duty to aid others to avoid pernicious habits, and to retain or regain their purity and strength. PARTS VI and VII How purity and strength may be measurably regained—The age of adolescence or puberty and its attendant changes—Its significance and its dangers. Price { $1.00 } net, post free { 4 s. } * * * * * “What a Young Boy Ought to Know” For Boys under Sixteen Years of Age WHAT EMINENT PEOPLE SAY Theodore L. Cuyler, D.D. “‘What a Young Boy Ought to Know’ ought to be in every home where there is a boy.” Lady Henry Somerset “Calculated to do an immense amount of good. I sincerely hope it may find its way to many homes.” Joseph Cook, D.D., LL.D. “It is everywhere suggestive, inspiring and strategic in a degree, as I think, not hitherto matched in literature of its class.” Charles L. Thompson, D.D.