Call and come!

The heroes of Anatoly Aleksin’s stories are ordinary boys and girls. They love adventures and sometimes get into them, and they also know how to correct their mistakes, find a way out of difficult situations and make friends. The book... includes two stories “Call and come!”, “Kolya writes to Olya, Olya writes to Kolya.”
"Call and come!" - the story of one boy and his very ordinary family, which he is very afraid of losing. After all, the brilliant musician and professor of medicine is someone else, but not his father.
“Kolya writes to Olya, Olya writes to Kolya” - a story about pen pal friendship. Although initially Kolya Nezlobin could not stand Olya Voronets, he was assigned to write letters to her in the distant Arctic.
For middle school age.