A Big Christmas Present
For Only $1.50
This year give your friends a real present, one they will enjoy through the whole year. Give the Popular Science Monthly for 1917. A year's subscription—twelve issues—costs only $1.50. The twelve numbers will contain
over 4,000 pictures
over 2,000 articles
over 1,800 pages
and will tell the whole wonderful story of the year's progress in invention, mechanics, and science.
Subscription $1.50. Canadian postage 50c extra. Foreign $1.00 extra.
Popular Science Monthly Gift Club
239 Fourth Ave., New York, N. Y.