Magical adventure with this cabin back in time. In this volume the times of knights we learn while dreaming. A great fun teaching. Writing is appropriate in my view for a child from 6-7 years. My 7 year old daughter loves it and counting the days for the receipt of this volume. What particularly catches is the idea of discovering 4 indices in the first four volumes to unravel the mystery: Who owns this magical cabin? The index search is renewed in Volumes 5 and 7. If the child catches you must purchase the following ... In short: A beautiful series combines mystery, adventure and education.