Not your typical photo book! David Bellis, founder of the popular local history website Gwulo.com, shows you a selection of his favourite photos of old Hong Kong. So far, so familiar. But then he takes you on a deep dive to discover and understand the photos' most minute and revealing details. Plague-ridden rats, flapper hats, and chocolates are just a few of the surprising clues you'll investigate. Finally, David helps you piece the clues together to uncover the photos' hidden stories.