The cowboys of the X Bar X Ranch are real cowboys, on the job when required, but full of fun and daring--a bunch any reader will be delighted to know. THE X BAR X BOYS ON THE RANCH THE X BAR X BOYS IN THUNDER CANYON THE X BAR X BOYS ON WHIRLPOOL RIVER THE X BAR X BOYS ON BIG BISON TRAIL THE X BAR X BOYS AT THE ROUND-UP THE X BAR X BOYS AT NUGGET CAMP THE X BAR X BOYS AT RUSTLER'S GAP THE X BAR X BOYS AT GRIZZLY PASS THE X BAR X BOYS LOST IN THE ROCKIES THE X BAR X BOYS RIDING FOR LIFE THE X BAR X BOYS IN SMOKY VALLEY THE X BAR X BOYS AT COPPERHEAD GULCH THE X BAR X BOYS BRANDING THE WILD HERD By FRANKLIN W. DIXON THE HARDY BOYS SERIES Illustrated. Every Volume Complete in Itself The Hardy Boys are sons of a celebrated American detective, and during vacations and their off time from school they help their father by hunting down clues themselves. THE TOWER TREASURE--A dying criminal confessed that his loot had been secreted "in the tower." It remained for the Hardy Boys to clear up the mystery. THE HOUSE ON THE CLIFF--Mr. Hardy started to investigate--and disappeared! An odd tale, with plenty of excitement. THE SECRET OF THE OLD MILL--Counterfeit money was in circulation, and the limit was reached when Mrs. Hardy took some from a stranger. A tale full of thrills. THE MISSING CHUMS--Two of the Hardy Boys' chums disappear and are almost rescued by their friends when all are captured. A thrilling story of adventure. HUNTING FOR HIDDEN GOLD--In tracing some stolen gold the trail leads the boys to an abandoned mine, and there things start to happen. THE SHORE ROAD MYSTERY--Automobiles were disappearing most mysteriously from the Shore Road. It remained for the Hardy Boys to solve the mystery. THE SECRET OF THE CAVES--When the boys reached the caves they came unexpectedly upon a queer old hermit. THE MYSTERY OF CABIN ISLAND--A story of queer adventures on a rockbound island. THE GREAT AIRPORT MYSTERY--The Hardy Boys solve the mystery of the disappearance of some valuable mail. WHAT HAPPENED AT MIDNIGHT--The boys follow a trail that ends in a strange and exciting situation. WHILE THE CLOCK TICKED--The Hardy Boys aid in vindicating a man who has been wrongly accused of a crime. FOOTPRINTS UNDER THE WINDOW--The Smuggling of Chinese into this country is the basis of this story in which the boys find thrills and excitement aplenty. ZANE GREY BOOKS FOR BOYS Packed with all the thrill and color and action that have made this author famous! THE "KEN WARD" STORIES The Young Forester Kenneth Ward, a young eastern lad just out of preparatory school, goes west on his summer vacation to join a friend, Dick Leslie, a government forest ranger in Arizona. Ken, honest, loyal but hot-headed runs into plenty of excitement and trouble when he finds that a big lumber steal is going on. The Young Lion Hunter