Academic Help Online

For book The Devil in the White City by Erik Larson:

1)What is the author arguing or trying to prove? What is the overall purpose of the book? For example: Are there previous historical works that they are attempting to build on? Or trying to discredit? Is the book new and ground- breaking research?

2)What types of primary sources are used to create this book?

3)Offer an overall critique of the book.