Book excerpt: Amy Connell and Lan Honey are having the best childhood, growing up on a West Country farm - three families, a couple of lodgers, goats, dogs and an orphaned calf called Gabriella Christmas. The parents are best friends too. Originally from the city, they're learning about farming- growing their own vegetables, milking the goats, slaughtering chickens and scything the hay. The adults are far too busy to keep an eye on Amy and Lan, and Amy and Lan would never tell them about climbing on the high barn roof, or what happened with the axe that time, any more than their parents would tell them the things they get up to - adult things, like betrayal - that threaten to bring the whole fragile idyll tumbling down --