Ella Thea Smith’s ‘Exploring Biology’
March 22, 2009 Ella Thea Smith was the author of the second most popular high school biology textbook in the United States in the 1950s, Exploring Biology. At the height of its popularity it commanded roughly 25% of the market. Exploring Biology was first published in 1938, and was revised in 1943, ’49, ’54, ’59…