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Description
Why Time FliesFor more than two thousand years, the world's great minds have argued about the true essence of time. Is it finite or infinite? Is it continuous or discrete? Does it flow like a river, or is it granular, proceeding in small bits like sand trickling through an hourglass? And most immediately, what is the present? What is time, exactly? Why does it seem to slow down when we're bored and speed by as we get older? How and why does time fly? In this witty
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Best in 7 days
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Best in 7 days
4.5 ★★★★★
Based on 1858 reviews
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Product Reviews
★★★★★ 2
Incomplete
Format: Paperback
Only received three of the four volumes. Did not receive the core 1 study guide.
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Reviewed in the United States on October 8, 2025
★★★★★ 5
Very detailed
Format: Paperback
Great info. Definitely a great purchase
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Reviewed in the United States on February 8, 2026
★★★★★ 5
These are the actual reference books.
Format: Paperback
The actual books for the actual tests. You Need these if you want to study and pass the Comptia A+ exams. Legit the real deal.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Amazing, never have to but the disposables again
Color: Matte Gold
Great quality, heavy, and works great. Lots of replacement blades too!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Nice feel
Color: Matte Silver
Feels good in the hand. It has some weight to it. I like the fact you can change out the blades. Way better than the cheap plastic disposable razors.
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Reviewed in the United States on April 13, 2026
