Looks like grandparent could use a copy of Vigen's _Spurious Correlations_: https://www.amazon.com/Spurious-Correlations-Tyler-Vigen/dp/0316339431 https://www.

Looks like grandparent could use a copy of Vigen's _Spurious Correlations_: https://www.amazon.com/Spurious-Correlations-Tyler-Vigen/dp/0316339431 https://www.amazon.com/Spurious-Correlations-Tyler-Vigen/dp/... I think it'd make a lovely coffee table book.