Amazon UK and publisher's webpage have 2019-02-12 as publication date as of 2019-07-13 (this date confirmed 2020-04-09). Printed publication date is January 2019.
Note that since this is likely PoD, date is for when this pub first appeared. Printer's key 10 9 8 7 6 5 4 3 2 1 on copyright page is in contradiction with the PoD nature of this publication.
PoD info (CPSIA) in bottom left corner of last page of {{PV|MagicUnk}}'s copy:
Lightning Source UK Ltd. [implying this PoD printed in Great Britain]
UKHW041908080819 [code indicates this PoD printed 2019-08-08]
347658UK00001B/22/P
US price $8.99 from Amazon.com as of 2019-02-26.
On back cover:
UK: £7.49
Artwork Peter Hollinghurst
