![Proof of Concept](https://militarysci-fibookreviews.com/wp-content/uploads/2024/09/proof_of_concept-200x300.jpg)
Disclaimer: I use Amazon Associate links in several places, mainly with the book covers. I also display various Amazon ads usually in the sidebar.
These links are attacked to my Amazon Associate account which means that if you make a purchase on Amazon using one of my links, I will get a small kickback from that transaction. It’s not much, but anything helps.