"The Science of Getting Rich" by Wallace D. Wattles is a self-help classic that teaches readers how to cultivate wealth and success through mindset and action. Key principles include:
1. Focus on abundance, not scarcity
2. Cultivate gratitude and positivity
3. Visualize and affirm your goals
4. Take inspired action towards your desires
Wattles emphasizes the importance of aligning one's thoughts and actions with their desires, and trusting in the universe's abundance. This book offers practical guidance for manifesting wealth and prosperity.