Please add book cover and fix author link

[Nicole]

Please add the cover photo from the publisher site to the book page:
https://www.amazon.co.uk/Final-Act-Li...

As well, the book is currently linked to the incorrect Lisa Gray. This is the correct contributor for THE FINAL ACT:
https://www.goodreads.com/author/show...

Thank you!

[Catalina]

Done.