What reading level is Good Boy!?

Good Boy! by Harperfestival is at a Level 5 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Good Boy! appropriate for?

Good Boy! is recommended for Ages 9-12. Content intensity: "Gentle" (1/5).

Does Good Boy! have any content warnings?

Good Boy! has a content intensity rating of "Gentle" (1/5). No specific content flags noted. On HootRated, every book is rated for emotional, physical, and social content themes to help parents make informed choices.

Good Boy!

Harperfestival

Good Boy!

Age Rating, Reading Level & Content Guide

Meet the Dogs

by Harperfestival

Reading Level 5 Gentle (Lvl 1) Ages 9-12 Balanced Read

The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.

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About This Book

Owen Baker isn't just any kid—he's the only one with a dog from another planet! Hubble comes from Sirius, a faraway dog world, and he's here on a secret mission. What happens when a cosmic canine lands in Owen's backyard? It’s more than just a pet story—it's an out-of-this-world adventure that could change everything.

Themes

Animals - DogsHumorous StoriesScience FictionFantasyAdventure Friendship

Quick Assessment

Good Boy! is a middle-grade fantasy novel about an eleven-year-old boy who adopts a dog with an extraordinary secret: the dog is from a distant planet called Sirius. The story blends humor, science fiction, and magical elements suitable for readers aged 9-12. It features themes of friendship and adventure and is based on an upcoming film by Jim Henson Productions, presented in full color.