Arithmetical Excursions An Enrichment of Elementary Mathematics by Henry Bowers
1961, No Stated Printing, Trade Softcover.
Acceptable. No markings. Cover shows light wear and age with a few dings. Slanted spine.
Topics incude the Russian Peasant's method
of multiplication, magic squares, the binary
system, perfect numbers, mysteries and folklore
of numbers, repeating fractions, and more.