Top 10 tales of metamorphosis

Thomas Bloor is the author of the three book series that begins with Worm in the Blood, continues with Beast Beneath the Skin, and concludes with Heart of the Serpent.A few years ago he named a top ten list of tales of metamorphosis for the Guardian, including:The Owl Service by Alan GarnerMysterious and unsettling, Garner's classic novel is based on the old Welsh myths found in The Mabinogion.