Mathematics textbook for the 5th grade. According to the conditions of the problem, every day a Pedestrian goes from point "A" to point "B", on the way he meets a Cyclist. Then he returns home, where his faithful wife is waiting for him. The next day everything repeats. But one day the Investigator stops the Pedestrian and reports that the Cyclist has disappeared. The Investigator asks the Pedestrian to go with him to point "B" in order to interrogate witnesses and figure out this complicated story together.

The entire family of a 6-year-old Anna dies in the mass coordinated execution of Jews. The mother covers up Anna with her own body, and the girl miraculously survives. For the next few hundred days Anna hides in the disused chimney at the Nazi Commandant's office. From her shelter she watches as life passes her by until the village is liberated from the Nazi. In these inhuman conditions Anna not only survives but keeps her humanity. Many factors help her: memories from the life swept away by war, the cultural foundations laid by the parents and a friend who saves her from loneliness.

Traveler Andrey sent to conquer Elbrus. At the entrance, he meets an abandoned kitten. Before Andrey there is a choice: to save the kitten or conquer the treasured summit.