The Bartimaeus Series 4 Books Collection Set is aimed at children aged 10-14 years old. The Bartimaeus book is a series of children's novels of alternate history, fantasy, and magic like Harry Potter. Harry Potter Fans will love these books. It was written by a famous British writer Jonathan Stroud and consists of a trilogy with one prequel. The eponymous character, Bartimaeus, is a five-thousand-year-old boisterous djinni. The story follows the career of a teenage magician Nathaniel and Bartimaeus, whom he has summoned and nominally controls, through the alternative history of the peak of London's domination as a magical oligarchy. The Collection of books includes The Amulet of Samarkand, The Golems Eye, Ptolemys Gate, The Ring of Solomon.