The Solution to All Our Problems: Subtraction

Yes, I’m Overselling. But Hear Me Out. Reviewing ‘Subtract’ by Leidy Klotz

Leidy Klotz was building a Lego bridge with his young son, Ezra. Unfortunately, they had an engineering challenge. The support towers on either side of the span were uneven. How to fix the problem? Klotz’s instinct was to bring the shorter tower up to level by adding bricks. Ezra did the opposite. He brought the taller tower down by subtracting.

It turns…