CONTENTS[BOY SCOUTS IN THE COAL CAVERNS] [BOY SCOUTS IN ALASKA] [BLACK ART IN CINCINNATI] [BOYS' COPYRIGHTED BOOKS]Boy Scouts in the Coal CavernsOr, The Light in Tunnel SixCONTENTS[Chapter I—Camping in the Breaker][Chapter II—The Call of the Pack][Chapter III—Who Cut the String?][Chapter IV—A Sensational Discovery][Chapter V—The Flooded Mine][Chapter VI—The Beaver Call][Chapter VII—A Treacherous Foe][Chapter VIII—"They Went Up in the Air"][Chapter IX—Who Discovered the Leak?][Chapter X—The Boy in the "Empty"][Chapter XI—A Knock at the Door][Chapter XII—A Midnight Robber][Chapter XIII—One More Hungry Boy][Chapter XIV—Mine Rats Ready for War][Chapter XV—A Stick of Dynamite][Chapter XVI—Caused by a Fall][Chapter XVII—The Signs in Stones][Chapter XVIII—Two Hold-Up Men][Chapter XIX—The Money in Sight][Chapter XX—Sandy Is Discharged][Chapter XXI—"I Told You So"][Chapter XXII—Conclusion]