Searches failing for books missing an ASIN

[majutsushi]

Searches seem to be consistently failing for me unless a book has an ASIN identifier.

Here's an example of a book that has a Goodreads ID but neither an ASIN nor an ISBN:

Request extra headers: [('User-agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36 Edg/125.0.0.0')] 
Failed to download valid cover 
Took 7.015381097793579 seconds 
ASIN not present in metadata
Goodreads id present in metadata: 2.0
Fetching book details: https://www.goodreads.com/book/show/6421982
ISBN not present in metadata
Searching Goodreads for book: https://www.goodreads.com/search?q=A+Game+of+Thrones+George+R.+R.+Martin
Fetching book details: https://www.goodreads.com/book/show/19270939-a-game-of-thrones-by-george-r-r-martin-summary-study-guide?from_search=true&from_srp=true&qid=Y3Bh591lDZ&rank=1
Cover URLs: []

This book has an ISBN but no ASIN:

Request extra headers: [('User-agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0')] 
Failed to download valid cover 
Took 11.345694303512573 seconds 
ASIN not present in metadata
Goodreads id present in metadata: 18338956
Fetching book details: https://www.goodreads.com/book/show/18338956
ISBN present in metadata: %s 9780374710774
Searching Goodreads for book: https://www.goodreads.com/search?q=9780374710774
Fetching book details: https://www.goodreads.com/book/show/18338956-annihilation
Cover URLs: []

This book does have an ASIN:

Request extra headers: [('User-agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36')] 
Downloaded cover: 2155x2560 
Took 0.9131753444671631 seconds 
ASIN present in metadata: B08X92NRKV
ASIN present in metadata: B08X92NRKV
Cover URLs: ['https://ec2.images-amazon.com/images/P/B08X92NRKV.01.MAIN._SCRM_.jpg']
Create link to download cover
Downloading 1 covers
Downloaded cover from: https://ec2.images-amazon.com/images/P/B08X92NRKV.01.MAIN._SCRM_.jpg

Based on a cursory look at the code this may be related to the parsing of the editions from the Goodreads page.