Title Hardy Boys 12: Footprints Under the Window Author Franklin W. Dixon Binding Hardcover Edition New edition Pages 192 Volumes 1 Language ENG Publisher Grosset & Dunlap, New York, New York, U.S.A. Date 1933-02-01 Illustrated Yes Features Dust Cover, Illustrated ISBN 9780448089126 / 0448089122 Weight 0.49 lbs (0.22 kg) Dimensions 7.59 x 5.01 x 0.75 in (19.28 x 12.73 x 1.91 cm) Ages 08 to 12 years Grade levels 3 - 7 Reading level 700 Library of Congress subjects Mystery and detective stories, Brigands and robbers Library of Congress Catalog Number 65018450 Dewey Decimal Code FIC