Air Vol. 1: Letters from Lost Countries
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From DC Vertigo
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Top products in Science Fiction with authentic reviews:
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Most Trusted Reviews
TRUST
- Verified Purchaser
- Brand Repeater (11 of 103 reviews for this brand; avg rating: 4.2)
- Overlapping Review History: reviewed 4 of 9 top products
- Easy Grader (avg. rating: 4.2)
Least Trusted Reviews
TRUST
- Unverified Purchaser
- Critical Reviewer (avg. rating: 1.3)
Analysis Details
Never-Verified Reviewers
4 of the 15 reviewers have never written a verified purchase review. While this is more Never-Verified Reviewers than we'd expect to see, the discrepancy in ratings between the Never-Verified Reviewers and reviewers who have written at least one verified purchase review isn't significant enough to rule out the possibility of it being due to random chance.
Take-Back Reviewers
3 of the 15 reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.
Single-Day Reviewers
4 of the 15 reviewers have written multiple reviews but posted all of them on a single day. While this is more Single-Day Reviewers than we'd expect to see, the discrepancy in ratings between the Single-Day Reviewers and all other reviewers isn't significant enough to rule out the possibility of it being due to random chance.
10 of the 15 total reviews for this product are unverified purchases. While this is a higher percentage of unverified purchases than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.
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- 0%
- Created on high-volume days
Read more about our Rating Trend test.
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- 0%
- Have an overrepresented word count
Read more about our Word Count Comparison test.
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- Used substantial repetitive phrases
Read more about our Phrase Repetition test.
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20% also reviewed:
Sandman, The: Fables & Reflections - Book VI... by Neil Gaiman
20% also reviewed:
Sandman, The: The Wake - Book X (Sandman... by Brand: Vertigo
20% also reviewed:
Hellboy (Director's Cut) by Sony
20% also reviewed:
Utopia by Thomas More
20% also reviewed:
The Unwritten Vol. 1: Tommy Taylor and the Bogus... by Mike Carey
13% also reviewed:
Freakonomics Rev Ed: (and Other Riddles of Modern... by Steven D. Levitt
6 of the 15 reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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- 0%
- From reviewers with an overrepresented participation
Read more about our Reviewer Participation test.
4.1 Product's Average Ease Score
4.2 Category's Average Ease Score
Read more about our Reviewer Ease test.
Brand Repeaters
3 of the 15 reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
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- Admitted to receiving an incentive
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
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- Reviews have been deleted
There are a few limitations to keep in mind regarding the Deleted Reviews test:
- We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
- We have no information on reviews that were never published in the first place.
- We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.