This extension injects an eReaderIQ window directly into Amazon Kindle book pages for quickly checking Kindle price history, and adding, updating or removing books from your Kindle Watch List, all while on amazon.com, amazon.co.uk or amazon.ca.
5/13/2017 – v1.01 fixes an issue where “Kindle & comiXology” books were not being identified by the plugin.
6/5/2017 – v1.0.2 forces the Injector window to call its data over a secure (https:) connection as the entire eReaderIQ site was recently moved to https.
5/5/2018 – v1.0.3 adds support for smile.amazon.co.uk