Bibliography

AMUSEMENTS IN MATHEMATICS
H. E. Dudeney; Dover Publications, N.Y.

ARITHMETICAL EXCURSIONS
Henry Bowers & Joan E. Bowers; Dover Publications,N.Y.

HIGH-SPEED MATH
Lester Meyers; D. Van Nostrand Company, Inc., N.Y.

HOW TO CALCULATE QUICKLY
Henry Sticker; Dover Publications, N.Y.

THE JAPANESE ABACUS: ITS USE AND THEORY
Takashi Kojima; Charles E. Tuttle Company, Rutland, Vt, and Tokyo

MAGIC WITH FIGURES
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 & Monroe Stuart; Doubleday & Co., Inc., Garden City

MATHEMATICIAN'S DELIGHT
W. W. Sawyer; Penguin Books, Ltd., Harmondsworth, England

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