Vampire Breath (Classic Goosebumps #21) : 21

R.L. Stine is an American author known for his work in the horror genre, particularly for his "Goosebumps" series which has sold over 400 million copies worldwide. His writing style combines suspense, humor, and relatable characters, making his books popular among children and young adults. Stine's contributions to literature include introducing a new generation to the horror genre and inspiring countless young readers to explore the world of books. His most famous work, "Goosebumps: Welcome to Dead House", has become a classic in children's literature and solidified Stine's place as a master of frightful storytelling.