Not showing reviews

I’m trying to display the reviews for the following book, but the plugin is saying that there are no reviews to display (there are two):

I’ve tried a few different iterations of the product link, as well as the author page:

Not sure if I’m using the right urls? Please let me know!

URL: https://jeanne-johnson.net
MySQL Version: 5.7.32
WP Table Prefix: xwb_
WP Version: 5.8.3
Server Name: jeanne-johnson.net
Cookie Domain: jeanne-johnson.net
CURL Library Present: Yes

PHP Info: 
	Version: 7.4.27
	Memory Usage: 70.62MB
	Memory Limit : 768M
	Max Upload Size : 256M
	Max Post Size : 256M
	Allow URL fopen : On
	Allow URL Include : Off
	Display Errors : On
	Max Script Execution Time : 120 seconds

Plugin: Widgets for Amazon Reviews
Plugin Version: 7.9.1
Options: 
	active: 1
	version: 7.9.1
	page-details: Array
		(
		    [id] => com|Jeanne-K.-Johnson/e/B09N9VKMH8
		    [name] => Jeanne K. Johnson
		    [avatar_url] => https://images-na.ssl-images-amazon.com/images/S/amzn-author-media-prod/a843ktnb87ijquftp6vh8r8rg6._SX450_.jpg
		    [rating_number] => 0
		    [rating_score] => 0
		)
		
	subscription-id: 
	proxy-check: 
	style-id: 
	review-content: 
	filter: 
	scss-set: 
	lang: en
	no-rating-text: 
	dateformat: 
	rate-us: 
	verified-icon: 
	enable-animation: 
	show-arrows: 
	content-saved-to: 7.9.1
	show-reviewers-photo: 
	download-timestamp: 2022-01-22 13:45:44
	widget-setted-up: 
	disable-font: 
	show-logos: 
	show-stars: 
	load-css-inline: 

Reviews: Array
	(
	)
	

	CSS: 

Active Theme: Kadence Child 1.0.0
Plugins: 
	Better Search Replace (1.3.4 - active)
	Elementor (3.5.3 - active)
	Essential Addons for Elementor (5.0.2 - active)
	Forminator (1.15.9 - active)
	Kadence Starter Templates (1.2.12 - active)
	UpdraftPlus - Backup/Restore (1.22.1 - active)
	Widgets for Amazon Reviews (7.9.1 - active)
	Wordfence Security (7.5.7 - active)