Happy Brain: 35 Tips to a Happy Brain: How to Boost Your Oxytocin, Dopamine, Endorphins, and Serotonin (Brain Power, Brain Function, Boost Endorphins, Brain Science, Brain Exercise, Train Your Brain)
| Country | USA |
| Manufacturer | Dream Treader Press |
| Binding | Kindle Edition |
| ReleaseDate | 2012-08-09 |
| Format | Kindle eBook |