2. "Don't Make Me Think, A Common Sense Approach to Web Usability" by Steve Krug
3. "Emotional Design: Why We Love (or Hate) Everyday Things" by Don Norman
4. "The User Experience Team of One: A Research and Design Survival Guide" by Leah Buley
5. "Hooked: How to Build Habit-Forming Products" by Nir Eyal