We are distributing advance review copies of Sauna Like a Viking ahead of launch.
The only ask is an honest Amazon review prior to launch day as per the instructions included with your advance review copy.
Limited to the First 100 Copies
Limited to 100 copies. An honest review is the only ask.
Once you've read the book, I only need one thing from you — an honest review. Not a favorable one. An honest one. That's what helps the next reader find this book and decide if it's for them.

IN THE QUEST TO LIVE TO A HUNDRED
What if one of the most powerful tools for living longer, thinking clearer, recovering faster, and feeling stronger has been hiding in plain sight for centuries?
The science-backed benefits of sauna and cold plunge therapy
How heat and cold exposure support longevity and cardiovascular health
Simple sauna protocols for recovery, performance, and stress reduction
Why Nordic cultures treat sauna as a foundational health practice
How to combine cardio training, recovery, and resilience for long-term vitality
The role of discipline, discomfort, and adaptation in living a stronger life
Practical routines you can implement regardless of age or fitness leve
For generations, Nordic cultures have embraced sauna and cold exposure as a way of life — building resilience, improving health, and extending vitality deep into old age. In Sauna Like A Viking, Erik Berggren combines ancient tradition with modern longevity science to show how heat, cold, movement, and recovery can dramatically improve the way you age.
Whether you're an athlete, wellness enthusiast, biohacker, or simply someone who wants to feel better and live longer, Sauna Like A Viking offers a straightforward roadmap rooted in both tradition and evidence.
You don't need extreme routines or complicated systems to improve your future health. Sometimes the answer starts with heat, cold, and the willingness to embrace discomfort — like a Viking.
© 2026 Erik Berggren. All rights reserved.