4 series are completely on KU now

The following 4 series are now in Kindle Unlimited program. Paywall free!

Perimeter Defense by Michael Atamanov

https://www.amazon.com/gp/product/B074CGRHTX

Dark Paladin by Vasily Mahanenko

https://www.amazon.com/gp/product/B0753FD13Q

The Bard from Barliona by Vasily Mahanenko and Eugenia Dmitrieva

https://www.amazon.com/gp/product/B07H464757

An NPC's Path by Pavel Kornev

https://www.amazon.com/gp/product/B07FK3VMWT

Paywall free!