Are you a Kobo Reader? Kobo is doing a 25% off January sale from the 19th to the 29th of January and Buried by Earth is part it!
Get now with JANSALE code at checkout.
https://www.kobo.com/gb/en/ebook/buried-by-earth
Note this is only available in the Kobo stores for: Canada, United States of America, United Kingdom, Australia, New Zealand