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Erin Sinclair: Amazon KDP author data
As of Nov 6, 2026, Erin Sinclair has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #29), mostly in Mystery & Wonders, Anatomy, Biology.
| Median price | $14.99 |
|---|---|
| Price range (middle 50%) | $14.99 – $16.49 |
| Median reviews | 19 |
| Total reviews | 103 |
| New books (30 days) | 6 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $14.99, 39% above the median of their main category, Mystery & Wonders.
- 6 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Erin Sinclair's best-ranked books
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The Spooky Science of Your Skeleton for Curious Kids Ages 8–12: Discover Bizarre Bone Facts, Gross Anatomy, and Creepy Trivia That Make Learning Fun
by Erin Sinclair
- Price$16.99
- Rating4.9
- Reviews21
-
The Dyslexia Detective Confidence Workbook for Kids Ages 6-10: Decodable Phonics Mysteries and Word Games to Build Reading Skills, Spark Confidence, and Encourage Independence
by Erin Sinclair
- Price$16.99
- Rating4.8
- Reviews18
-
SPECIAL OPS BRAIN GAMES & LOGIC PUZZLES FOR KIDS AGES 10–14: Crack Secret Codes, Sharpen Critical Thinking, Build Problem-Solving Skills & Develop Elite Memory in a Screen-Free Adventure
by Erin Sinclair
- Price$14.99
- Rating4.5
- Reviews22
- Published2026-08
-
The Spooky Science of Your Skeleton for Curious Kids Ages 8–12: Discover Bizarre Bone Facts, Gross Anatomy, and Creepy Trivia That Make Learning Fun
by Erin Sinclair
- Price$7.99
- Rating4.9
- Reviews21
-
Escape the Spooky Haunted Woods Maze: Fun Puzzle Activities to Sharpen Problem-Solving Skills, Build Focus, and Boost Confidence (For Kids Ages 8-12)
by Erin Sinclair
- Price$14.99
- Rating4.4
- Reviews12
-
Spooky Brain Teasers, Riddles, and Nocturnal Animal Trivia for Curious Kids Ages 8–12: Discover Weird Night Creatures, Spark Curiosity, Sharpen Logic, Boost Focus & Build Lasting Confidence
by Erin Sinclair
- Price$14.99
- Rating4.9
- Reviews10
- Published2026-09
Main categories
FAQ
How many books does Erin Sinclair have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Erin Sinclair publish in?
Their books chart most often in Mystery & Wonders, Anatomy, Biology.
How does Erin Sinclair price their books?
The median price is $14.99; half of the books cost $14.99–$16.49.
Has Erin Sinclair released new books recently?
6 new books in the last 30 days, 2 of which reached a Best Sellers list.
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.