Which publisher first introduced the 'flip-back' compact book design that allowed readers to easily hold and read books with one hand while maintaining a traditional book experience?

The publishing industry has always sought innovative ways to package literature to attract readers and distinguish titles in a crowded marketplace. From dust jackets to special editions, the physical presentation of books has evolved significantly over time. Test your knowledge about some groundbreaking packaging designs that changed how we interact with and perceive literary works!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Penguin Books with their 'Penguin Minis' series
Hodder & Stoughton with their 'Flipback' editions
Faber & Faber with their 'Pocket Editions'
HarperCollins with their 'Palm Collection'