Тройка с минусом, или происшествие в 5 А

So many exciting events happen in the life of class 5 "A"! A new student arrives in the class, the monitor and straight-A student - imagine that - receives a letter from a sixth grader, and then the school journal goes missing! The heroes of this amusing story will have to not only overcome difficulties in their studies but also struggle with their own fears and shortcomings, learn to be friends, and make many important discoveries.