Speed Mathematics Simplified (66 page)

A. Frederick Collins; Surrey House, N.Y.

MAGIC HOUSE OF NUMBERS

Irving Adler; The John Day Company, Inc., N.Y.

MATHEMATICS MADE SIMPLE

Abraham Sperling and Monroe Stuart; Doubleday & Co., Inc., Garden City

MATHEMATICIAN'S DELIGHT

W. W. Sawyer; Penguin Books, Ltd., Harmondsworth, England

101 PUZZLES IN THOUGHT AND LOGIC

C. R. Wylie Jr.; Dover Publications, N.Y.

RAPID CALCULATIONS

A. H. Russell; Emerson Books, Inc., N.Y.

SHORT-CUT MATHEMATICS

B. A. Slade, Editor; Nelson-Hall Company, Chicago

THE TRACHTENBERG SPEED SYSTEM OF BASIC MATHEMATICS

Ann Cutler and Rudolph McShane; Doubleday & Co., Inc., Garden City