Don’t use it for scientific accuracy and you’ll probably be fine.
Come on. Rainbows don't have a purpose. And they don't always happen after a storm. They might even happen before a storm. You could even make one with a garden hose. And you can definitely have a storm that doesn't end with a rainbow, which raises the question of how this mother would know the storm was over.
Pretty boring book. The pictures are very quaintly 1950s. A man walking a dachshund, wearing a plaid jacket, with a cigar between his two fingers makes me think of Disney cartoons from that era. Everything just looks precious.