Harry and Cissie live 150 years apart. What is the mystery that links them?

there was a light in the corner of the chook-house, just below the perches. It was bright and strangely piercing, like a bit of sun had wandered in by mistake. Who is the girl through the hole in the chook-house? Is it a hole in time? And how can you help someone who lived more than 150 years ago䇡rry dreads leaving the farm to go to boarding school next year. Cissie is an orphaned girl living with the soldiers at the garrison 150 years ago. Something more powerful than time has drawn them both together. Ages 10+