Zhanna Ladyzhanskaya and the Mystery of the Three Pizzas

Fifth grader Zhanna Ladyzhanskaya is not to be envied. Her only friend is turning to the side of the enemy. That very boy is in love with someone else. The perfect other is determined to surpass Zhanna in detective skills. How to maintain emotional balance when classmates accuse you of theft, and you can't reveal the real culprit? How to calm your conscience when you suddenly realize that you don't want to act honestly? How to cope with the loneliness that you impose on yourself? What does a detective feel like who solves crimes but hides the criminals?