H2O a otzka zrcadlov sfingy Stank Petr (2025)

This is the sixth book in the adventurous H2O science-fiction saga by Petr Stank and Galina Miklnov, aimed at girls and boys aged 13 to 16. This time, friends Hubert, Hugo and Oflie set off into cyberspace riding a steampunk field kitchen. On an expedition full of twists and turns, they must cross video-game plains and the dark realm of the darknet to outwit the mad scientist Vulpes with a century-old hot dog and save the world. But the sphinxs question is whether that world is real. The book is accompanied by numerous colourful illustrations and an entertaining picture encyclopaedia in the margins.