A letter addressed to Eberhard Mock was found in the attic of a building in Wrocław. The letter referred to the missing woman Greta Langer, the cousin of Marietta von der Malten who was murdered in 1933. Step into the world of pre-war Wrocław and conduct your own investigation. We invite you to participate in the city game that’s based on Marek Krajewski’s series of novels about detective Eberhard Mock. The game is organized by the Wrocław Public Library in partnership with the ‘Znak’ publishing house and the city of Wrocław.
Start: Świdnicka underpass. Take with you: A smartphone/tablet with an ActionTrack app (available at Google Play and AppStore), mobile internet connection and geolocation turned on. Remember to charge your batteries. You might also need a Power Bank. The game will last for about 2 hours, so make sure to wear comfortable shoes and have sufficient amount of water.