- Blockchain: How to Safely Create Stable and Long-term Passive Income by Investing in Bitcoin (The Digital Currency Era) (Volume 2)
- Cryptocurrencies: How to Safely Create Stable and Long-term Passive Income by Investing in Cryptocurrencies (The Digital Currency Era)
- Overthinking: Putting a Stop to Destructive Overthinking. Proven Ways to Stop Procrastination, Excessive Worrying and Get Real Results in Your Personal and Professional Life.
- Laziness: How to Turn your Life Around with Proven Methods to Overcome Procrastination, Laziness, and Lack of Motivation (Fastlane to Success)
- Retire Early: The Complete Guide on How to Retire Early and Live Stress-Free over the Long Term