I've noticed (as a non american) that every single book I see in american airport book shops (at least the sort of business/self-help ones which seem to constit

I've noticed (as a non american) that every single book I see in american airport book shops (at least the sort of business/self-help ones which seem to constitute 95% of american airport book shops) follow this exact title style: $PITHY_PHRASE: $MEANDERING_SUBTITLE_THAT_IS_A_BIT_TOO_LONG It's very unimaginative.