Mr. Niyogi’s Last Audit is not available as Kindle Edition. The Kindle edition is available in almost all the markets where Amazon is available.
This Books2Read link will take you to the Ebook and the print editions.
The Kindle edition is currently part of Kindle Unlimited and so if you have a Kindle Unlimited subscription you can start reading it for free.
Go ahead and click on the link and get a copy of the book to read.