Barcode for a Gift

The book «Barcode for a Gift» from the series «Book Club. I Will Read It Myself!» — is a magical tale about how miracles happen as long as you believe in them.
Once in a city on the eve of New Year, an unusual pickup point appears. There, gifts are given not for money... but for good deeds, marked in a special application on the phone. Timofey no longer believes in Santa Claus. Will the sudden injury of his younger sister make the boy rethink his attitude towards miracles?