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Description
The Prisoner of ShiverstoneA positively ingenious story about a mysterious island, long lost secrets, and a young girls quest in the world of mad science, Linette Moores debut middle grade graphic novel, The Prisoner of Shiverstone, is a good mix of fantasy, mystery, and action (Horn Book). Eleven year old Helga Sharp is found unconscious in a drifting rowboat near the coast of Utley Island. Utley, as Helga finds out when she awakens in the hospital, is forbidden territory: Its
A positively ingenious story about a mysterious island, long-lost secrets, and a young girl’s quest in the world of mad science, Linette Moore’s debut middle-grade graphic novel, The Prisoner of Shiverstone, “is a good mix of fantasy, mystery, and action” (Horn Book).Eleven-year-old Helga Sharp is found unconscious in a drifting rowboat near the coast of Utley Island. Utley, as Helga finds out when she awakens in the hospital, is forbidden territory: It’s a prison island to which the Mainland has exiled troublesome mad scientists for generations. Helga is questioned by the island’s guards and though they’re suspicious of her story, they agree to let her stay until they find her family.
The truth is, it’s no accident that Helga landed here. She is a keen inventor, but the Mainland is suspicious of all scientists and inventors. While working on her projects in secret, Helga made radio contact with Erasmus Lope, a mad genius who everyone thought had died in a lab experiment gone spectacularly wrong. But Lope is alive, and Helga is on a mission to rescue him from the prison island.
Now Helga must find a way to break Lope out, right under the noses of the family of famous heroes that run Utley Island. There’s only one big problem: Lope’s trapped inside a giant crystal in the mad scientists’ museum!
Fans of Red’s Planet and Suee and the Shadow are sure to love The Prisoner of Shiverstone, a charismatically illustrated mad science adventure for readers of all ages.
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4.1 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 3
Revenge is sweet
Size: Large, Color: 14 Packs
The package arrived promptly. The puppy was ecstatic. She leaped into the pile of toys and went crazy. She tore through one after another. In mere minutes she devoured everything in sight. They never stood a chance. Within an hour or two she had consumed the entire pile of toys. Not to worry they had their revenge. She puked multi color string for days.
Overall the toys were fun just not durable.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Very very durable
Size: Large, Color: 9 Packs
So after spending quite a bit of money on toys for a 1-year-old long-haired dachshund because she's a very aggressive chewer I took a chance and bought this rope set and it's been 2 months she still has all her ropes everything I must say this is a very durable set well worth the money well worth the play time she loves tug of war these ropes are great for tug of war she has not chewed through any of them she has tried to take them apart which she had succeeded on one but I put a few knots in it and other than that I would recommend this rope set to anyone that's got a dog that likes the fat especially play tug of war or is a very very aggressive sure
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Worth it!
Size: Large, Color: 9 Packs
I dumped them all out my dogs didn’t know what to do!!! Great quality, variety of options for our dogs entertainment.
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Reviewed in the United States on June 10, 2026
★★★★★ 3
Doggos are excited but...
Size: Large, Color: 9 Packs
My dogs are ecstatic about their new ropes. But they're big and aggressive chewers. These ropes are thinner than the pictures made them look. I'd say they're appropriately sized for dogs up to 35 lbs - and not as great for the large breeds show in the pictures.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Dogs love them.
Size: Large, Color: 6 Packs
My dog loves playing with these toys. I also bought some for my daughter‘s dogs. They really love them. I would say the only downfall is that they shred easily. You’ll find little strips of yarn laying around. But that doesn’t bother me because they get a lot of enjoyment from them. I have bought them three different times.
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Reviewed in the United States on May 12, 2026