HOW TO BECOME A SCIENTIST.--A useful and instructive book, giving a complete treatise on chemistry; also, experiments in acoustics, mechanics, mathematics, chemistry, and directions for making fireworks, colored fires, and gas balloons. This book cannot be equaled. Price 10 cents. For sale by all newsdealers, or it will be sent to your address, postage free, on receipt of price. Address Frank Tousey, publisher, 34 and 36 North Moore street, New York. Box 2730. HOW TO BECOME AN ATHLETE.--Giving full instruction for the use of dumb-bells, Indian clubs, parallel bars, horizontal bars, and various other methods of developing a good, healthy muscle; containing over sixty illustrations. Every boy can become strong and healthy by following the instructions contained in this little book. For sale by all newsdealers, or sent to your address, postage free, on receipt of 10 cents. Frank Tousey, publisher, 34 and 36 North Moore street, New York, Box 2730. * * * * * GOLD! GOLD! GOLD! Young Klondike. Containing Stories of a Gold Seeker. PRICE 5 CENTS. Colored Covers. No. 1 Young Klondike; or, Off For the Land of Gold. 2 Young Klondike’s Claim; or, Nine Golden Nuggets. 3 Young Klondike’s First Million; or, His Great Strike on El Dorado Creek. 4 Young Klondike and the Claim Agents; or, Fighting the Land Sharks of Dawson City. 5 Young Klondike’s New Diggings; or, The Great Gold Find on Owl Creek. 6 Young Klondike’s Chase; or, The Gold Pirates of the Yukon. 7 Young Klondike’s Golden Island; or, Half a Million in Dust. 8 Young Klondike’s Seven Strikes; or, The Gold Hunters of High Rock. 9 Young Klondike’s Journey to Juneau; or, Guarding a Million in Gold. 10 Young Klondike’s Lucky Camp; or, Working the Unknown’s Claim. 11 Young Klondike’s Lost Million; or, The Mine Wreckers of Gold Creek. 12 Young Klondike’s Gold Syndicate; or, Breaking the Brokers of Dawson City. 13 Young Klondike’s Golden Eagle; or, Working a Hidden Mine. 14 Young Klondike’s Trump Card; or, The Rush to Rocky River. 15 Young Klondike’s Arctic Trail; or, Lost in a Sea of Ice. 16 Young Klondike’s New Bonanza; or, The Gold Diggers of French Gulch. 17 Young Klondike’s Death Trap; or, Lost Underground. 18 Young Klondike’s Fight for a Claim; or, The Boomers of Raccoon Creek. 19 Young Klondike’s Deep Sea Diggings; or, Working at the Mouth of the Yukon. 20 Young Klondike’s Winter Camp; or, Mining Under the Snow. For sale by all newsdealers, or sent to any address on receipt of price, 5 cents per copy--6 copies for 25 cents. Address FRANK TOUSEY, Publisher, 29 West 26th St., New York * * * * * THE LARGEST AND BEST LIBRARY. PLUCK AND LUCK. Colored Covers. 32 Pages. All Kinds of Good Stories. Price 5 Cents. Issued Weekly. Read List Below. No.