London – Codex of Beginnings

Fifteen-year-old siblings Amy and Leo Black discover a mysterious letter from a deceased relative revealing their connection to the secretive Obscura society. The first codex, the Codex of Beginnings, is hidden somewhere in London, and retrieving it is their key to unlocking the larger puzzle of a centuries-old conspiracy. As they solve historical riddles, navigate traps, and outwit rival agents, the siblings learn to rely on each other’s strengths. Along the way, they uncover the existence of rival factions who are just as determined to collect the codices. By the end, Amy and Leo recover the codex but realize that their journey is only beginning, setting the stage for a global adventure.