Hello there,
I have lots of experience in web scraping and my most recent project did actually involve using the Amazon API, so I am now familiar with how it works and able to filter results in a variety of ways.
Although my last project did not involve books, it required similar logic to "ISBN-10 and/or ISBN-13 and/or ASIN number" in that fields between 1 and X possibilities must be ascertained and presented accordingly. I can recycle and adapt such logic to use in this project.
I am very familiar with the PHP scripting language and plan to use it in completing this project.
I have my own Amazon API Key and Secret, my own web scraping server with a 1Gb/s link located in North America, and lots of templates/recycled code I can use to implement a solution for this.
This sounds like an interesting and moderately challenging project and I look forward to working with you.
N.B. My quick delivery time and low bid reflect that I am a newcomer to freelancer.
Kind regards,
Daniel Abbey