"Magisterium" is an exciting book in the fantasy genre, written by famous writers Philip Pullman and Lucy del Rio. In this unique world, each child is accompanied by a companion demon that can take on different forms. The main character Lydia accidentally discovers her ability to magic and is introduced to the mysterious and threatening world of the Magisterium. Exciting adventures, mysterious secrets and incredible tests await her during her journey to the darkest corners of the world, where danger lurks at every step. Will Lydia be able to reveal all the secrets of the Magisterium and keep the balance between the worlds? "The Magisterium" is an exciting story about magic, friendship and bravery that will enchant both young and adult readers.