Book list
From Booklist, Copyright © American Library Association. Used with permission.

After Dragon meets Boy at Boy’s birthday party, they’re soon off on a series of adventures, flying with other dragons, scaling mountains, defeating an ogre. Hints abound that the shared adventures are part of Boy’s imagination: one of the flying dragons is a dog; the mountain has climbing-wall holds; the ogre holds the boy’s backpack. What is real, however, is Boy’s love for Dragon—until, in a clever double-page spread, we see three depictions of the pair. In the first, Dragon and Boy are holding hands, with Dragon coming up to Boy’s elbow; in the second, a teenage Boy holds a baseball, and Dragon is only thigh-high; in the third, Boy is a young adult, with Dragon slumped next to his shin. In a sequence reminiscent of the Toy Story franchise, Boy goes off to college and packs Dragon away, and Dragon suffers through lonely years until he’s pulled out of the box, and he meets Girl. Slack’s digitally painted and collaged illustrations render the fantasy world perfectly in this poignant exploration of friendship.

Kirkus
Copyright © Kirkus Reviews, used with permission.

Old toys aren’t discarded: They’re re-loved. When a dragon meets a boy, they become best friends and have daring adventures; Dragon is Boy’s constant companion. Things change, though: Boy grows, Dragon doesn’t. Then Boy places Dragon in a special cave and asks him to guard his treasures. Eventually, after a final hug, Boy leaves. Years pass. Dragon protects the items diligently, then falls into a deep sleep. One day, hands reach into the cave, removing everything, including Dragon. Surprise: The “thief” is a small girl. Dragon receives a bigger surprise when he sees the man with her. Before the page turn, will readers guess who he is? Guess who becomes the child’s new BFF in this sweet, heartfelt tale about love transcending generations? Readers can infer that Boy, now a dad, shared happy memories of his favorite childhood plaything, and his reminiscences encouraged his daughter to seek Dragon out for her own exciting, affectionate romps. The charming, expressive, sometimes poignant illustrations, occasionally depicting familiar children’s books, present Boy and his blonde daughter as white. As child and adult, Boy has straight brown hair and wears blue glasses; he is freckled in childhood. Purple, smiley Dragon displays two nonthreatening fangs. Boy, girl, and Dragon star on delightful endpapers. Readers will love the idea that beautiful childhood memories last a lifetime. (Picture book. 4-8) Copyright © Kirkus Reviews, used with permission.

Publishers Weekly
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A boy receives a plush purple dragon for his birthday, and the two become inseparable. Digital vignettes by Slack (Sharing Does Not Compute), rendered in warm, muted tones and soft, mottled textures, show the dragon supporting the child in tough moments (the first day of school) and joining with him in vivid pretend play: they “scaled tall mountains” (the playground climbing hill) and “battled the forces of evil” (a schoolyard bully). The boy grows up and goes away to college, while “Dragon stayed the same size”; one day, the dragon is put in a dark box to “guard” the boy’s other prized belongings while he goes on “his most important adventure. “Does Boy miss me?” the dragon wonders as the years pass. Some readers may find the creature’s loneliness hard to take, especially when it falls into a “deep dragon sleep.” But Slack’s calm, measured storytelling doesn’t overplay the pathos, and the relief when the box is finally opened, to reveal that the dragon will now belong to Boy’s daughter, should resonate. Ages 3–6. (June)