diff --git a/books/free-programming-books-subjects.md b/books/free-programming-books-subjects.md
index 349e8f7fb073032677e2f2e11c4c8ceb5194cc54..ae155ab2f5363ea35c052f6235c6eb52fdb41bf7 100644
--- a/books/free-programming-books-subjects.md
+++ b/books/free-programming-books-subjects.md
@@ -612,6 +612,7 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Don't Just Roll the Dice](https://www.red-gate.com/library/dont-just-roll-the-dice) - Neil Davidson (PDF)
 * [How to Do What You Love & Earn What You’re Worth as a Programmer](https://leanpub.com/dowhatyoulove/read) - Reginald Braithwaite
 * [Professional Software Development For Students](https://mixmastamyk.bitbucket.io/pro_soft_dev/intro.html) - Mike G. Miller
+* [Software Environment Concepts](https://softwareconcepts.vercel.app) - Amr Elmohamady (:construction: *in process*)
 * [What I've Learned From Failure](https://leanpub.com/shippingsoftware/read) - Reginald Braithwaite