Esta serie transporta a los lectores a un bosque encantado donde el mito y la realidad se entrelazan. Dos niños se aventuran en un reino repleto de criaturas mágicas, desde duendes traviesos y hadas astutas hasta trolls formidables y seres sombríos. Deben navegar por peligros traicioneros y agendas ocultas dentro de esta naturaleza indómita. Es una cautivadora aventura de coraje y descubrimiento en una tierra que desafía la comprensión humana.
Samuel Blink is the hero of this story, but he doesn't know it yet. He hasn't the slightest clue Martha will disappear into Shadow Forest. A forest full of one-eyed trolls, the sinister huldre-folk, deadly Truth Pixies and a witch who steals shadows.
Every troll child dreads being sent to the Betterer. The Betterer is the most evil troll in Shadow Forest who loves to punish his fellow trolls for their grubby and stupid habits in lots of horrible ways. When one troll boy escapes the forest to be with his favourite human, Samuel Blink, the Betterer is not very happy.