In presenting to his young friends the sixth volume of the "Library for Young People," the author cannot be unconscious of what the readers of his former books require of him. They will turn the leaves of "Little by Little," expecting to find an abundance of stirring incidents; and he hopes they will not be disappointed. Some of the older readers and sterner critics will look for romantic and rather exaggerated events; but he thinks they will look in vain, for as we grow older we become more reasonable, and do not expect showers of gold to fall upon every seedy hero, or to see nice young gentlemen leap over lofty precipices without sometimes being dashed to pieces.