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Ships within 48 hours · Estimated delivery Jun 23 - Jun 28
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Description
Numbers Don't LieIn Numbers Don't Lie, renowned scientist and polymath Vaclav Smil embarks on an enlightening journey to uncover the hidden truths behind everyday questions and global phenomena. From the perceived dangers of air travel to the collective weight of the world's cattle, Smil delves into the facts and figures that shape our understanding of reality. Through meticulous data analysis, he illuminates how the building blocks of our modern worldnations,
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 440 reviews
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Product Reviews
★★★★★ 5
My dog loves it!
Color: Blue
Fun, good durability while she paws at it, easy to clean and worth the money, good size for 40 pound dog.
My Border Collie loves it!
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Reviewed in the United States on June 5, 2026
★★★★★ 4
Five minutes of entertainment
Color: Grey
My eight pound chihuahua mix figured the puzzle out very quickly. It kept her entertained for about five minutes.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Size dog recommendations
Color: Grey
Not recommended for big dogs.
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Reviewed in the United States on May 30, 2026
★★★★★ 2
Small in size
Color: Grey
Very small, picture makes it look much larger than it is. Seemed more appropriate for a cat, and 6 month puppy figured it out in under 1 min. Not very challenging.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Excellent for boredom and learning
Color: Blue
Wonderful! Daughters very intelligent Australian shepherd loves this. She takes it out when he's bored, or has t been able to give as much one on one. Well made
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Reviewed in the United States on May 26, 2026
