Trison and Marcel Take the Case into Their Own Paws

Together with Marcel and his owner, you will go on a business trip to Yekaterinburg and Novosibirsk for a very serious assignment. With the help of the brave Labrador detective, the police will expose dangerous criminals they have been hunting... for many years. You are in for thrilling adventures with the Labrador Marcel, who is rightfully considered the protégé of the renowned Trison. Marcel differs in coat color, but he is not inferior in intelligence, courage, or responsibility for the task at hand. After the events described in the book, Trison will be proud of his protégé and colleague. And the reader will once again be convinced that a Labrador always remains loyal to humans and is ready for any feat for them.