diff --git a/resources.yaml b/resources.yaml
index 8b28601..a8d7784 100644
--- a/resources.yaml
+++ b/resources.yaml
@@ -29,6 +29,7 @@ Semester 1:
     - '[One Shot End Semester Video (6h)](https://www.youtube.com/watch?v=pHNbm-4reIc)'
   HCI:
     Resources:
+    - '[Interaction Design: Beyond Human-Computer Interaction Book](https://school.hbh7.com/pdfs/RPI/%5BHelen-Sharp%2C-Jenny-Preece%2C-Yvonne-Rogers%5D-Interac%28z-lib.org%29.pdf)'
     - '[Vasiliki - HCI](https://www.youtube.com/playlist?list=PLZJO8uYi0aTH18GiHj23feaBjRAumTM3z)'
     - '[DES101: Introduction to HCI Dr. Rajiv Ratn Shah.MIDAS Lab IIIT Delhi](https://www.youtube.com/playlist?list=PL9rvax0EIUA7KMhdCpjvAFroczbd_s7Z-)'
     - '[Prototyping Tool Figma](https://figma.com)'
@@ -190,12 +191,10 @@ Semester 4:
       by [(Yash Keswani)](https://github.com/Yash-Keswani)'
   NN:
     Resources:
-    - '[NN Notes & Material](https://github.com/kintsugi-programmer/beWarehouse/tree/main/NN)
-      by [(kintsugi-programmer)](https://github.com/kintsugi-programmer)'
+    - '[NN Notes & Material](https://github.com/kintsugi-programmer/beWarehouse/tree/main/NN) by [(kintsugi-programmer)](https://github.com/kintsugi-programmer)'
   PIS:
     Resources:
-    - '[PIS Notes & Material](https://github.com/kintsugi-programmer/beWarehouse/tree/main/PIS)
-      by [(kintsugi-programmer)](https://github.com/kintsugi-programmer)'
+    - '[PIS Notes & Material](https://github.com/kintsugi-programmer/beWarehouse/tree/main/PIS) by [(kintsugi-programmer)](https://github.com/kintsugi-programmer)'
   SML:
     Resources:
     - Lecture Slides and/or https://scikit-learn.org/stable/user_guide.html