In this second adventure Matt and Emily have to try and prevent all the creatures and demons in Hollow Earth from escaping by finding and protecting an ancient bone quill. In the end they face a terrible decision; save their father or save Hollow Earth!
Although Bone quill can be read without having read Hollow Earth first you will get far more out of the story and the development of the characters if you read the books in order. The books are good fantasy reads with a bit of history and art appreciation thrown in to the mix, all-in-all a good adventure story.
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| Bone quill (book 2) |
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| Hollow Earth (book 1) |
