C. R. "Chuck" Downing shared - Authors Bureau ECN: Speak with a favorite author by phone

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C. R. "Chuck" Downing shared: 6/5/2017 8:05:18 AM

#SciFact. How factual is zoo hypothesis, coined in 1973 by astronomer John Ball? Sherry Frazier @the_sciencegeek... https://t.co/olLyhQey71
— C.R. Downing (@CRDowningAuthor) June 5, 2017