Riddle of the Silver Snake

Since Agatha was accepted into the gatekeepers guild, a secret organization that unravels London’s most difficult crimes, the girl dreamed of a real case. And finally, she had a chance to prove to everyone that she is an excellent detective. A very strange event occurred in the National Gallery: one of the curators disappeared. There is every reason to believe that he was abducted. But why should anyone attack the museum employee? And what does the most famous pictures of the world have to do with it? Agatha does not even know what overwhelming discoveries she is waiting for her!

It is this book that will reveal all the riddles of the trilogy about Agate. It will be incredible!
This book talks not only about exciting investigations, but also about the real friendship and strength of the family.
translated into several languages.
London"s descriptions in the book deserve a separate mention. Really atmospheric reading awaits you!
For secondary school age