Doogie is the author and illustrator of The Adventures of Invisible Boy graphic novel series, which was a Junior Library Guild Selection, an ALA notable book, and was named best graphic novel of 2024 by The Week Junior. His other books include the YA novel This Might Hurt a Bit, and the Kid Legends series.

“Horner skillfully delves into deep themes such as parental expectations, social acceptance, and self-worth in a manner that will resonate with middle graders.” –School Library Journal