humorous adventure for children that was published in 1979 and later reissued as Enter Frederick K Bower in 1985. In 1981 his second novel, Misha, the Magician and the Mysterious Amulet was published and he moved to Paris to write his third book. In 1983, the first novel in the Pentagram series was released. Entitled The Devil's Door-Bell, the story saw thirteen-year-old Martin Hopkins trying to adjust to a new life with a foster mother on a Yorkshire farm, but it quickly becomes a nightmare when he ends up having to battle an ancient evil that threatens the whole world. Only three of the four remaining novels in the series were ever released: The Night of the Scorpion (1984), The Silver Citadel (1986) and Day of the Dragon (1986). In 1985, he released Myths and Legends, a collection of retold tales from around the world. In 1988, Groosham Grange was published. Its central character is a thirteen-year-old "witch", David Eliot, gifted as the seventh son of a seventh son. This book went on to win the 1989 Lancashire Children's Book of the Year Award. Some similarities were made between this book and J. K. Rowling's newer Harry Potter series, but Horowitz did not choose to take action because of this. Despite this, the most major release of Horowitz's early career was The Falcon's Malteser (1986). This book was the first in the successful Diamond Brothers series, and was followed in 1987 by Public Enemy Number Two, and by South by South East in 1991. Early children's fiction success (1992–1999) Horowitz wrote many stand-alone novels in the 1990s. His 1994 novel Granny, a comedy thriller about an evil grandmother, was Horowitz's first book in three years, and it was the first of three books for an audience similar to that of Groosham Grange. The second of these was The Switch, a body swap story, first published in 1996. The third was 1997's The Devil and His Boy, which is set in the Elizabethan era and explores the rumour of Elizabeth I's secret son. In 1999, The Unholy Grail was published as a sequel to Groosham Grange. It was later renamed Return to Groosham Grange in 2003, possibly to help young readers understand the connection between the two books. In 2021, Horowitz revealed to a fan on Twitter that he had plans to write a third book, but was dissuaded after the