Publishers Weekly: An 11-year-old navigating friendship troubles, mercurial blended family dynamics, and questions surrounding his sexual identity wishes to disappear—and abruptly does—in this heartwarming adventure by Hutchinson (Howl). Hector Griggs, who attends St. Lawrence Catholic School for Boys, isn’t a sports star like his older stepbrother. Instead, Hector prefers solitary activities such as reading, playing piano, and hanging out with his only friend, Blake. But Blake’s new pals constantly bully Hector, and when a major fight puts Blake and Hector’s friendship on the outs, Hector discovers that he can turn himself invisible at will. Now undetectable, he encounters invisible classmate Orson, who everyone believes has been missing for three years. As rumors of ghosts and rampaging monsters start swirling around school, Hector must save Orson and win back Blake from his unsavory new crew, all while evading frightening creatures. A subplot involving an undercover agent from a supernatural organization is somewhat thinly developed. Hutchinson nevertheless populates this optimistic novel with an organically diverse cast that helps to ferry insightful lessons about empathetic listening and problem-solving, broadening one’s horizons, and dealing with bullies, delivered via an entertaining series opener.