Anthony Horowitz

Ark Angel: The Graphic Novel

By Anthony Horowitz, Antony Johnston, Amrit Birdi

Groosham Grange - Two Books in One!

By Horowitz, Anthony

Bloody Horowitz

By Anthony Horowitz

Battles and Quests (Legends)

By Horowitz, Anthony, horowitz-anthony

Beasts and Monsters (Legends)

By Horowitz, Anthony

The Switch

By Horowitz, Anthony

The Power of Five: Evil Star

By Horowitz, Anthony

EDGE - Horowitz Graphic Horror: The Hitchhiker

By Anthony Horowitz, Dan Boultwood

Robin of Sherwood: The Hooded Man (Puffin Story Books)

By Carpenter, Richard, Horowitz, Anthony

The Power of Five: Nightrise

By Horowitz, Anthony

The Phone Goes Dead

By Anthony Horowitz