Boston's thrilling and chilling tales of green knowe, a haunted manor deep in an overgrown garden in the English countryside, have been entertaining readers for half a century. There are three children: toby, who rides t...Boston's thrilling and chilling tales of green knowe, a haunted manor deep in an overgrown garden in the English countryside, have been entertaining readers for half a century. There are three children: toby, who rides the majestic horse feste; his mischievous little sister, linnet; and their brother, alexander, who plays the flute.