_Science Projects Handbook_, Shirley Moore (Ed.), Ballantine Books,
Inc., New York, 1960, 254 pp., $0.50.
_Ideas for Science Projects_, V. Showalter and I. Slesnick, National
Science Teachers Association, Washington, D. C., 1962, 53 pp.,
$1.00.
_Wonderful World of Science_, Shirley Moore and Judy Viorst, Science
Service, 1719 N Street N. W., Washington, D. C., 1961, 246 pp.,
$0.50.
_How To Do an Experiment_, Philip Goldstein, Harcourt, Brace and World,
Inc., New York, 1957, 260 pp., $2.60.
_Science News Letter_, published every week by Science Service, 1719 N
Street N. W., Washington, D. C., single copies, $0.15; $5.50 per
year.
_Scientific American_, published every month by Scientific American,
Inc., 415 Madison Avenue, New York, single copies $0.60; $7.00 per
year.