reviewmeta.com
Not sure if this link will work, but you can easily pop the URL for her book in yourself. This is an interesting website which examines reviews on Amazon in a huge amount of detail. Unfortunately, it does look like her overall rating for the book is still pretty high, but 78% of the reviews are 'unnatural' for various reasons such as:
- One time reviewers (75% of reviewers have only reviewed this book)
- Unverified purchase (25%)
- Repetitive phrases (35% use repetitive phrases such as 'couldn't put it down' and 'well done Sophie'.
- Written in a short period of time (50%)