Who are the main protagonists in Bone Quill?
What powerful magical object are the twins trying to find?
What is the Bone Quill’s significance?
Which secret society is trying to use the Bone Quill for evil purposes?
What unique ability do Matt and Emily possess?
What is the main threat if the Bone Quill falls into the wrong hands?
Where does much of the story take place?
What role does the Book of Beasts play in the story?
Who wrote Hollow Earth: Bone Quill?
What is at stake if the Hollow Earth Society succeeds?