Joelina Falk
Romance
No information is provided about the author in the given documents.
The only details available are that Joelina Falk wrote the book "Nine Days." Without additional context, it's not possible to provide a 100-word summary about the author's background, writing career, or other works.
The reviews focus solely on the book itself and readers' reactions to it, without mentioning any details about the author's life or literary contributions beyond this specific title.