Learn more
These promotions will be applied to this item:
Some promotions may be combined; others are not eligible to be combined with other offers. For details, please see the Terms & Conditions associated with these promotions.
Your Memberships & Subscriptions

Download the free Kindle app and start reading Kindle books instantly on your smartphone, tablet, or computer - no Kindle device required.
Read instantly on your browser with Kindle for Web.
Using your mobile phone camera - scan the code below and download the Kindle app.
Follow the author
OK
The Plopbottle Paradox: The adventures continue on the surface and deep underground – Book 2 (Underkingdom) Kindle Edition
- Reading age8 - 14 years
- LanguageEnglish
- Publication dateFebruary 19, 2022
Shop this series
See full series- Kindle Price:$8.97By placing your order, you're purchasing a license to the content and you agree to the Kindle Store Terms of Use.
Shop this series
This option includes 3 books.
Product details
- ASIN : B09SY41D24
- Accessibility : Learn more
- Publication date : February 19, 2022
- Language : English
- File size : 1.8 MB
- Simultaneous device usage : Unlimited
- Screen Reader : Supported
- Enhanced typesetting : Enabled
- X-Ray : Not Enabled
- Word Wise : Enabled
- Print length : 202 pages
- Page Flip : Enabled
- Book 2 of 3 : Underkingdom
- Reading age : 8 - 14 years
- Customer Reviews:
About the author

Hi, I live in rural Wiltshire, not far from Stonehenge.
During the pandemic I reworked an earlier version of Doomsday for the Disco Goblin and then published it along with two further books in the Underkingdom series.
As well as writing, I also enjoy knitting and knitting design. I have recently uploaded a free Disco Goblin pattern on the Ravelry website to go with book one. Further fun free patterns are planned.
Customer reviews
- 5 star4 star3 star2 star1 star5 star0%100%0%0%0%0%
- 5 star4 star3 star2 star1 star4 star0%100%0%0%0%100%
- 5 star4 star3 star2 star1 star3 star0%100%0%0%0%0%
- 5 star4 star3 star2 star1 star2 star0%100%0%0%0%0%
- 5 star4 star3 star2 star1 star1 star0%100%0%0%0%0%
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonTop reviews from the United States
There was a problem filtering reviews. Please reload the page.
- Reviewed in the United States on July 15, 2023I loved the first book in this series, "Doomsday for the Disco Goblin" and I was looking forward to reading the "Plopbottle Paradox".
This story features Cassandra and Myron, two cousins who couldn't be more different and who still, or perhaps because of it, form a great team. Myron's quirky family and their large pet had a lot of character, and I was happy to see some characters from book 1 make a reappearance in book 2.
I enjoyed Corporal Doomsday's side story as well, and there were several laugh-out-loud moments. A good combination of humor and suspense.
All in all, it was a great read!
Rowanvale Books provided me with a free copy of this book. My review is voluntary and is entirely my honest opinion. It isn't biased in any way.