$1.20 net; by mail, $1.32 In this, the second volume of the Camp and Trail Series, we pursue the adventures of Stanley and Bub. Few people realize the immense variety of precious stones to be found in the State of Maine. The story takes the boys through a series of very exciting adventures in search of beryl, tourmaline, garnet, fresh water pearls, and other immensely valuable jewels which have long been found in Maine, but about which the general public is only lately coming to be informed. Only brief mention can be made of the remaining volumes of the "Camp and Trail" Series, now in preparation: THE YOUNG WOODSMEN; or Running Down the Squawtooth Gang Here we see the boys at work with the lumbermen preparing the winter camp and having a series of stirring adventures with various strange marauders. THE YOUNG TRAPPERS; or The Quest of the Giant Moose In this volume the boys are shown with the lumbermen engaged in the work of cutting down the trees. The book bristles with manly adventure. THE YOUNG LOGGERS; or The Gray Axeman of Mt. Crow Here we see the boys engaged in the great work of getting the logs out of the woods to be ready for the spring drive, and here again we find them involved in a series of fascinating happenings. THE YOUNG RIVER-DRIVERS; or Against Heavy Odds In this, the sixth and last volume of the Camp and Trail Series, we have all the exciting adventures connected with the spring drive when after the ice has gone out of the rivers the logs are launched in the water and floated down for miles and miles to the mills. Each of the foregoing volumes will be illustrated. Price, per volume, $1.20 net; by mail, $1.32. SMALL, MAYNARD & COMPANY Publishers, Boston A STRIKING STORY FOR BOYS THE SULTAN'S RIVAL By BRADLEY GILMAN Author of "A Son of the Desert," etc., etc. Illustrated by John Cassel $1.20 net; by mail, $1.32 Here the author of "A Son of the Desert" and other popular books for boys, gives his readers an exciting story of adventure in the wild country of Morocco, a book of adventure without brutality, a book which maintains high standards of morality, a book which can and will be read with enjoyment by all the members of the family. A boy's character is greatly determined by the company he keeps; Mr. Gilman's story gives the reader the companionship of two manly young fellows in their daring adventures in a wild land among savage races. For this reason as well as because the story combines a continuous succession of perils and escapes with fascinating information about a lawless people and a romantic land, the parent who gives anxious thought to his children's reading will find the purchase of a copy of "The Sultan's Rival" a ready solution for his problem. SMALL, MAYNARD & COMPANY Publishers, Boston "I hope this admirable book may have what it deserves: the widest circulation among the young people of America." --_Gifford Pinchot._ THE LAND WE LIVE IN The Boys' Book of Conservation