Someone help me, I will give you brainliest...

A non-fiction book is always a good reference however, it would need to be based on the true story. When you choose to use a non-fiction book make sure that the Book you are using aligns with historical facts.For most things use a text book  with information you know is entirely accurate. To check do research online and if multiple sources match then its likely to be accurate.

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b toward the volcano.landward. the landward side of something is the side nearest to the land or facing the land, rather than the sea.