[done] please merge duplicates

[Moloch]

2 duplicates
https://www.goodreads.com/book/show/4... (ISBN10 in ISBN13 field)
https://www.goodreads.com/book/show/4...

please merge both into the correct one and then re-combine with https://www.goodreads.com/book/show/8...

thanks

[Moloch]

another duplicate for a different edition of the same work
https://www.goodreads.com/book/show/1...

the white label you see on the spine is from a library, so it's not really part of the cover

please merge and re-combine with https://www.goodreads.com/book/show/8...

thank you

[Renske]

Done