Puppet dance in Prague. SLEETER A.

John and Finn are fearless teenagers -detectives from Germany. Exciting adventures await them! This time they fall into the streets of Prague! The older sister of Finn, John, won the tickets for the concert of her favorite group in the Golden City. But the short vacation turns into a nightmare: at first tickets disappear, then someone searches their hotel room, and Finn and John begin to blackmail. The children will have to unravel another difficult and very dangerous case and expose the fraud of a real criminal gang, mysteriously connected with the puppet theater.

for secondary school age.