Shoddy guidebooks, promoted with deceptive reviews, have flooded Amazon in recent months. Their authors claim to be renowned travel writers. But do they even exist? Or are they A.I. inventions? And ...

Correction: This story has been updated to correct a misspelling of Erin Kodicek's name. Get ready to get your tissues out – Amazon’s best books of the year list is full of heartfelt weepers that will ...