Will you manage to decipher all the messages?
A mysterious blue letter signed by someone very peculiar arrives to shake up the boring life of our protagonist and turn it upside down: if he wants to fill the promising vacancy being a postman of time, he will have to overcome a strange selection process in which he will face some very curious characters and a lot of enigmas.
In this adventure, the aspiring postman will have to decode 20 messages that will take him to different historical epochs. To do so, he will have to use all his deductive skills and become an expert in cryptography.
A new concept of interactive book that will take you to travel through time
The reader can solve the book in any order they wish.