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Time Travel (Children's eBooks › Science Fiction, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Time Travel (Children's eBooks › Science Fiction, Kindle eBooks), updated Nov 2, 2026: median price $5.99, median 979 reviews, average rating 4.6 and a KDPTop opportunity score of 13/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $8.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 3% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Only 3% of its best sellers are under 90 days old, fewer than in 88% of Kindle eBooks categories: established titles hold the list.
- Its review barrier is higher than in 87% of Kindle eBooks categories: the median best seller has 979 reviews, so new books need time to build up.
- Its median reviews are 47% of the parent category Science Fiction (2,066), one of the easier corners under it.
Top 10 Time Travel best sellers
-
A Wrinkle in Time: (Newbery Medal Winner)
- List rank#1
- Price$8.99
- Rating4.4
- Reviews31,170
-
-
The Secret Lake: A children's mystery adventure (Secret Lake Mystery Adventures Book 1)
by Karen Inglis
- List rank#3
- Price$2.99
- Rating4.6
- Reviews20,298
-
The Hobbit: Tolkien's Classic Epic Fantasy Adventure (Lord of the Rings)
- List rank#4
- Price$11.99
- Rating4.7
- Reviews82,642
-
Unicorn Time Machine: Another Phoebe and Her Unicorn Adventure
by Dana Simpson
- List rank#5
- Price$9.59
- Rating4.7
- Reviews215
-
Pathfinder
- List rank#6
- Price$1.99
- Rating4.4
- Reviews2,151
-
Dinosaurs Before Dark (Magic Tree House Book 1)
- List rank#7
- Price$2.99
- Rating4.7
- Reviews7,647
-
A Wind in the Door (A Wrinkle in Time Book 2)
- List rank#8
- Price$8.99
- Rating4.4
- Reviews3,288
-
A Swiftly Tilting Planet: (National Book Award Winner) (A Wrinkle in Time 3)
- List rank#9
- Price$8.99
- Rating4.5
- Reviews1,824
-
Laser Moose and Rabbit Boy: Time Trout (Volume 3)
by Doug Savage
- List rank#10
- Price$8.35
- Rating4.8
- Reviews83
Same niche in Books: Time Travel
FAQ
Is Time Travel a good niche for Amazon KDP?
Its KDPTop opportunity score is 13/100, which makes it highly competitive. The median best seller has 979 reviews and sells for $5.99.
How many reviews do you need to rank in Time Travel?
The median best seller has 979 reviews, and 14% of them have fewer than 100.
What do Time Travel best sellers cost?
The median price is $5.99; half of the best sellers are priced between $3.99 and $8.99.
Can new books break into Time Travel?
3% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.