Elliott attends his third-grade class like any other boy, except that Elliott isn’t like any other boy. Endowed with magical powers, Elliott belongs to a secret world called Moonstone—and trouble is brewing. When the evil witch Noir steals The Halloween Crystal, it’s up to Elliott and his third-grade teacher, Mr. Moonbeam, to stop Noir from invading the non-magical world on Halloween night. But can Elliott learn to master his powers in time? "Imaginative storyline..." IndieReader "A dazzling, creature-filled finale..." Kirkus Reviews "Wonderfully written..." Writer's Digest "This fantastical battle between good and evil magic will please fans of classic children's fantasy." -- BookLife Reviews - "A dazzling, creature-filled finale leaves possibilities open for further adventures. A tale with plenty of spooky trappings and valuable lessons for young people." -- Kirkus Reviews - "The imaginative storyline of Mr. Moonbeam and the Halloween Crystal by Ryan Cowan is bound to intrigue children who dream of wizardry, magic, legends, fantasies, and myths. Adults too may enjoy the magical journey..."-- IndieReader - "With great dialogue, narrative and character description, the reader is thoroughly immersed in this story from beginning to end. A great read." -- Readers' Favorite (5 Star Review) - "This story is wonderfully written and flows beautifully." -- Reviewed by Judge, 7th Annual Writer's Digest Self-Published eBook Awards - "In Ryan Cowan's exciting children's book, Mr. Moonbeam and the Halloween Crystal, a group of sorcerers quickly work to stop a powerful dark sorcerer from taking over two worlds...a compelling children's story that will appeal to young fans of fantasy literature." -- BlueInk Reviews - Moonbeam Children's Book Award for Pre-Teen Fiction, eBook (Bronze) 2019 - 2019 Indie Diamond Book Awards Semifinalist for Middle Grade, Young Adult, New Adult - Readers' Favorite Book Award for Holiday Fiction (Bronze Medal Winner) 2020 - Purple Dragonfly Book Award Winner Holiday Fiction (Second Place) 2021 - Purple Dragonfly Book Award Winner Chapter Books (Honorable Mention) 2021 - Purple Dragonfly Book Award Winner Mystery (Honorable Mention) 2021 - Purple Dragonfly Book Award Winner Middle Grade (Honorable Mention) 2021 - Purple Dragonfly Book Award Winner New Author (Honorable Mention) 2021 - "Ryan Cowan has crafted a fantasy tale that fans of Harry Potter and I am Number Four will take down in quick gulps." -- The Book Commentary Ryan Cowan works as an assistant principal in Los Angeles.  He received his Master of Education in Urban Teaching degree (EdM) from the Graduate School of Education and Information Studies at UCLA.