AristoBook is an augmented reality application for the books "History of the Russian State, Volume 7: The First Superpower" and "Lucius Catine's Adventures and Reflections" by Boris Akunin. AristoBook is a Greek word meaning "the best," and this app lives up to its name.

To access the hidden content within the book, you will need both the physical book and the AristoBook app. Simply point your mobile device's viewfinder at the text next to the AB symbol and enjoy a new level of reading experience.

This Android app is free to download and provides a unique and engaging way to read Boris Akunin's books. AristoBook is developed by eBook Applications LLC, and is available in the Education & Reference category under Books.