Octavo; vg/wraps; evenly-spaced wrap-around 1/4" black squares at front edge of white spine with green and black text; minor shelf wear and bumping; top corner of front cover, lightly bent; text block, clean; 552pp. Rockville.
Good. 1957 Unknown Binding illus. 552 p. Former Library book. "An unabridged and unaltered republication of the 1st edition  with errata incorporated into the text." Shows some signs of wear, and may have some markings on the inside. Shipped to over one million happy customers. Your purchase benefits world literacy!
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