@Inukami: It might be possible to do what you want with the Import List plugin. This can retrieve lists from a web page and import the metadata either to existing books or new books. It has many examples for Amazon pages, but I don't know if it has one like you need and I can't check at the moment.
The plugin can also read other sources such as a CSV file. If Amazon has a way to export the lists with the details you need, that tends to be the simplest way to do it.
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