the first volume of the misdemeanours
of Dr Felix Culpepper

The paperback Quintember appeared in November 2017 at £7.95 or $9.25.
The limited edition hardcover was published in October 2016; some signed copies are still available direct from the publisher for £20.
The novel's also available on Amazon as an e-book for Kindle, and other such machines, at £7 or $8.