As a librarian, I want to update book details, so that I can correct any potential mistakes.

## User Story:
>- As a librarian, I want to update book details, so that I can correct any potential mistakes.

## Steps for Demonstration:
>- The user goes to the details page of the desired book.
>- Click the "Edit" button.
>- Update the book details in their respected fields.
>- Click on "Edit" button.
>- Show a confirmation popup.

## Acceptance Criteria:
>- Users must be clearly shown the confirmation message.
>- User must be a librarian.
>- Errors should be displayed in the same popup for wrong data formats.

## Result:
>- Successful update of book details.