Do not think, dear girls, that because you are girls you may not have as much courage as your brothers. I believe that quite as stout hearts beat beneath muslin frocks as under stuff jackets. When you have finished reading this book about your sisters, perhaps—if you do not already—you will agree with me, and think that it needs only occasion to call out the necessary courage. I have been asked which one of these heroines I think the most daring, but—oh dear—it would never do to have a favourite, would it? So I leave them to you, and that you will enjoy learning of their trials and triumphs is the wish of your friend,
THE AUTHOR.