These are some of the books that have influenced how I design interactions and interfaces. I can't recommend them enough.

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  The Design of Everyday Things Don Norman
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  Make It So Nathan Shedroff Christopher Noessel
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  Universal Principles of Design William Lidwell Kritina Holden Jill Butler
• 
  This Means This, 
  This Means That Sean Hall
• 
  Don't Make Me Think Steve Krug
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  Enchanted Objects David Rose
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  Gamestorming Dave Gray Sunni Brown James Macanufo
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  About Face Alan Cooper David Cronin Christopher Noessel
• 
  Well Designed Jon Kolko
• 
  Thoughts On Interaction Design Jon Kolko
• 
  Metaphors We Live By George Lakoff Mark Johnson