HARPER’S “TELL ME HOW” BOOKS

A New Series

HARPER’S GASOLINE ENGINE BOOK

HARPER’S AIRCRAFT BOOK

HARPER’S WIRELESS BOOK

HARPER’S BEGINNING ELECTRICITY

HARPER’S EVERY-DAY ELECTRICITY

Illustrated. Crown 8vo.

HARPER’S PRACTICAL BOOKS

HARPER’S BOOK FOR YOUNG GARDENERS

HARPER’S BOOK FOR YOUNG NATURALISTS

HARPER’S HOW TO UNDERSTAND ELECTRICAL
  WORK

HARPER’S ELECTRICITY BOOK FOR BOYS

HARPER’S BOATING BOOK FOR BOYS

HARPER’S CAMPING AND SCOUTING

HARPER’S OUTDOOR BOOK FOR BOYS

HARPER’S INDOOR BOOK FOR BOYS

HARPER’S MACHINERY BOOK FOR BOYS

HARPER’S HANDY BOOK FOR GIRLS

Illustrated. Crown 8vo.

THE STORY OF GREAT INVENTIONS

Uniform in appearance with above.

MOTOR BOATING FOR BOYS

Illustrated. Crown 8vo.

HARPER & BROTHERS, NEW YORK