Author: Reuben, Gabriel H.:
Title: What Is Sound?
Description: London, Collins, 1961 Square H/B lilac/white striped cloth bds, Good-, some light age-browning in places, contents clean and bright, lovely colour and two-tone illust.s by George Boer, neat name on ffep, pp46 with picture dictionary at rear.

Keywords: sound physics study learning teaching school children primary George Boer