
Above, Alden's cover illustration for 100 Questions for Teachers of Evolution, an 8 page pamphlet
published in 1926 by Rev. B. H. Shadduck, PhD. It was freely given away with larger orders of his books from 1926-1929,
and in 1941-42. 100 Questions was sometimes referred to as Cousin's Day at the
Zoo in advertisements of the day.
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