Correct URI acc. with REST API?

Question

API

Hello! :)
The shops have books.
POST BOOK: /shops/{shopId}/books<- everything is clear here
How the URI for deleting a book from the database will look right (according to REST):
1) DELETE BOOK: /shops/{shopId}/books/{bookId}<- extra id (shopId), but the URI shows the structure
2) DELETE BOOK: /books/{bookId}<- nothing extra in the URL, but different from the POST request See above
How to make this URL correct? Is the extra id in the URI critical?
Thank you! :)

Answer 1

I understand that the book is received at the address via GET
In this case, the deletion will be at the same address, but via DELETE