It depends on how the story is crafted. Just because 'great circle' and 'Maggie' are mentioned together in relation to a novel doesn't necessarily mean she is the main character. There could be multiple characters and storylines in the novel, and while Maggie may be important, she might not be the main focus. However, if the novel is centered around Maggie's experiences and the 'great circle' is key to those experiences, then she is more likely to be the main character.
I'm not sure specifically without more context. 'Great circle' could potentially be a theme, setting or concept in a novel that involves a character named Maggie.
A 'great circle novel' could refer to a novel that has a plot or narrative structure which is somehow related to the concept of a great circle. It might imply a story that has a circular or cyclical nature, perhaps with characters or events coming full circle in some way.
I'm not entirely sure as I haven't read it specifically. But generally, a novel might be about characters' journeys, their relationships, and the challenges they face. It could involve a great adventure in a circular or cyclical way perhaps, like a journey that comes back to its starting point in some sense.
I haven't read this novel specifically, but generally, the plot could involve the journey of characters. It might be about their growth, relationships, and the challenges they face along a great circle journey, whether it's a physical journey around the world or a metaphorical one through different stages of life.
Since I'm not acquainted with this novel, the main characters could be a diverse group. There might be a young, ambitious navigator who is determined to follow the great circle for the sake of mapping new territories. There could also be a character who has a personal vendetta or mission related to the great circle, like a historian trying to uncover secrets along the great circle route. And perhaps there's a supporting character, a local guide in one of the places the journey takes them, who provides insights and help.
One possible example could be 'The Odyssey' by Homer. Odysseus' long journey is full of loops and returns. He travels far and wide, facing numerous challenges and then finally comes back to his homeland. This circular journey of his could be seen as a form of great circle in the context of a novel. There are different arcs within his journey that all tie back to his ultimate goal of getting home, much like points on a great circle.