Nikolai the Gymnast and a Contrasting Thief

In this story we discover a gymnast who spots a thief while doing his exercises in the park. The thief steals a baby's rattle and, on another occasion, an old woman's magnifying glass. This angers Nikolai so much that he decides to catch the thief. Nikolai the Gymnast and a Contrasting Thief is written in verse and with a lot of humor. Aimed at first readers.