Tal M Klein, author of The Punch Escrow, now a major motion picture from Lionsgate:
Mechcraft is a fresh and inspired take on the Mech sci-fi genre.  Throw human evolution, genetic editing, the singularity, and nanotechnology into a supersonic blender, add a bunch of gunpowder, strap in, and ignite.”

MECHCRAFT

Amazon- 66 reviews, 4.7 stars, https://www.amazon.com/dp/1947848151

Audible- 32 reviews, 4.1 stars, https://www.audible.com/pd/Mechcraft-Audiobook/B07FDPCPHJ