adventure (a wild and exciting undertaking (not necessarily lawful)), Minnesota, the state of the United States of America and the United States of America
the main problem is how mean nellie oleson is and the grasshopper season
Laura Ingalls Wilder wrote On the Banks of Plum Creek.
The book was first published in 1937.
Sometimes an non-fiction writer or a writer using snippets/information from other books will list down the ones that they have used.