For a link like this:
“Poppy” by Avi
Copy this URL:
https://www.bookfinder.com/search/?author=Avi&title=Poppy&lang=en&st=xl&ac=qr
Copy this HTML:
<a href="https://www.bookfinder.com/search/?author=Avi&title=Poppy&lang=en&st=xl&ac=qr">“Poppy” by Avi</a>