As the old saying goes:
There's nowt so queer as folk. And when your job involves constant contact with the general public, you're bound to occasionally get the odd bizarre encounter or two.
I can't testify for the absolute legitimacy of each and every one of the entries in this book, but I don't particularly think it matters, as I haven't laughed out loud so much in quite some time.
This also serves as a reminder as to why I could never work in the retail industry: I think the blunt-force trauma from repeated face-palming would eventually lead to multiple skull fractures and cerebral contusions. Far too risky an occupation for a misanthropist like myself!