SKU: 2158940102

The 4-Hour Body: An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman

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The 4-Hour Body: An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman#1 NEW YORK TIMES BESTSELLER The game changing author of Tribe of Mentors teaches you how to reach your peak physical potential with minimum effort. "A practical crash course in how to reinvent yourself." Kevin Kelly, Wired Is it possible to reach your genetic potential in 6 months? Sleep 2 hours per day and perform better than on 8 hours? Lose more fat than a marathoner by bingeing? Indeed, and much more. The 4 Hour Body is the result of an obsessive

#1 NEW YORK TIMES BESTSELLER - The game-changing author of Tribe of Mentors teaches you how to reach your peak physical potential with minimum effort.

"A practical crash course in how to reinvent yourself."--Kevin Kelly, Wired

Is it possible to reach your genetic potential in 6 months? Sleep 2 hours per day and perform better than on 8 hours? Lose more fat than a marathoner by bingeing? Indeed, and much more.

The 4-Hour Body is the result of an obsessive quest, spanning more than a decade, to hack the human body using data science. It contains the collective wisdom of hundreds of elite athletes, dozens of MDs, and thousands of hours of jaw-dropping personal experimentation. From Olympic training centers to black-market laboratories, from Silicon Valley to South Africa, Tim Ferriss fixated on one life-changing question:

For all things physical, what are the tiniest changes that produce the biggest results?

Thousands of tests later, this book contains the answers for both men and women. It's the wisdom Tim used to gain 34 pounds of muscle in 28 days, without steroids, and in four hours of total gym time. From the gym to the bedroom, it's all here, and it all works.

You will learn (in less than 30 minutes each):

- How to lose those last 5-10 pounds (or 100+ pounds) with odd combinations of food and safe chemical cocktails
- How to prevent fat gain while bingeing over the weekend or the holidays
- How to sleep 2 hours per day and feel fully rested
- How to produce 15-minute female orgasms
- How to triple testosterone and double sperm count
- How to go from running 5 kilometers to 50 kilometers in 12 weeks
- How to reverse "permanent" injuries
- How to pay for a beach vacation with one hospital visit

And that's just the tip of the iceberg. There are more than 50 topics covered, all with real-world experiments, many including more than 200 test subjects. You don't need better genetics or more exercise. You need immediate results that compel you to continue.

That's exactly what The 4-Hour Body delivers.

Binding Type: Hardcover
Publisher: Harmony
Published: 12/14/2010
ISBN: 9780307463630
Pages: 571
Weight: 3.05lbs
Size: 9.30h x 7.80w x 1.70d

Review Citations: Men's Journal 04/01/2011 pg. 60
Library Journal Prepub Alert 05/01/2010 pg. 56
Outside 12/01/2012 pg. 38
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SKU: 2158940102

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KEM
Los Angeles, US
★★★★★ 5
Perfect pillows
Size: Queen, Number of Items: 2
Soft, but durable. Comfortable and cool during sleep.
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Reviewed in the United States on May 17, 2026
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James P
Bozeman, US
★★★★★ 4
Best pillow I’ve ever tried—hands down!
Size: Queen, Number of Items: 2
I’ve gone through a bunch of pillows over the years, but this BETU Cooling Pillow is by far the best one I’ve ever used. I sleep in literally every position—on my back, stomach, and sides—and this pillow works perfectly no matter how I’m laying. It really does have a cooling effect, which I love as a hot sleeper. Just make sure your room is cool too, and it makes a big difference. It came vacuum-packed, but it fully expanded within just a few hours. I was able to sleep on it the same day it arrived, and it was super comfy right from the start. I also washed and dried the pillowcase before using it, and it came out looking and feeling great—no shrinking or damage at all. Honestly, I look forward to going to bed every night now just because of this pillow. It’s supportive, comfortable, and totally worth it!
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Reviewed in the United States on February 21, 2026
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Amazon Customer
Alexandria, US
★★★★★ 5
Excellent pillows!
Size: Queen, Number of Items: 2
This pack came with 2 pillows, one firm and one that was flatter and squishy. I absolutely love the flatter one! Most comfortable pillow I've ever used! The firm one was a bit too much for me, but my husband loves it.
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Reviewed in the United States on March 28, 2026
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Phanessa Hernandez
Cuba, US
★★★★★ 3
It’s alright.
Size: Queen, Number of Items: 2
Not bad pillows. They are comfortable but mine came with an odd odor, kind of mildewy smell to it. Had to spray it down to tolerate sleeping on it.
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Reviewed in the United States on May 5, 2026
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ALEXANDRA W.
Dallas, US
★★★★★ 5
Nice pillows
Size: Queen, Number of Items: 2
Have had these a few months and so far really like them! They don’t really feel very cooling, but I also run VERY HOT so it could just be me. The foam holds up well and hasn’t flattened like others I’ve tried. They come very compacted- I was shocked how much they expanded!
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Reviewed in the United States on March 22, 2026

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