Little boy Yar lives his life in two worlds. Both are real and both fill his life with meaning, energizing him. Yar's adventures in the Night Day end at the most interesting moment, so that a new era of adventures can begin. The two stories of two boys from different generations surface in real life and create a basis for mutual understanding. Close contact with his grandfather and grandmother has a positive effect on Yar's intellectual development.The book also has a separate boar...