"Level 4.2 - Back in the City of Children" is the captivating sequel to the first adventure that takes readers into the exciting world of children without adults. In this story, Ben rushes to school one morning and discovers that all the adults have disappeared. Together with his friends, he finds himself in the virtual world of the computer game Level 4. However, instead of chaos and anarchy, they experience a city run by children who behave like adults. The plot unfolds thrillingly and raises questions, particularly about the strange behavior of Miriam and Kolja. This book not only provides entertainment but also encourages reflection on responsibility and growing up.