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Margaret Bar: Amazon KDP author data
As of Nov 6, 2026, Margaret Bar has 18 books on Amazon, 17 of them on a best-seller list in the last 30 days (best rank #8), mostly in Nature, Physics, Rocks & Minerals.
| Median price | $7.99 |
|---|---|
| Price range (middle 50%) | $7.99 – $7.99 |
| Median reviews | 1 |
| Total reviews | 5 |
| New books (30 days) | 9 |
| Breakout books (30 days) | 3 |
What stands out
- 94% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $7.99, 16% above the median of their main category, Nature.
- 9 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Margaret Bar's best-ranked books
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Amazing Minerals, Geodes & Crystals: Nature's Sparkling Treasures (Amazing Nature Collection)
by Margaret Bar
- Price$7.99
- Reviews-
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Amazing Leaves: Shapes, Colors, and Nature’s Clever Designs (Amazing Nature Collection)
by Margaret Bar
- Price$7.99
- Reviews-
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What is Sound: Vibrations, Ears, and Music — A Fun STEM Book About How Sound Works for Kids (Little Science, Big Ideas)
by Margaret Bar
- Price$7.99
- Reviews-
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What Is Electricity? A Fun and Simple Science Book for Kids Ages 4–8: Sparks, Lightning, and Everyday Power Explained Simply for Children (Little Science, Big Ideas)
by Margaret Bar
- Price$7.99
- Rating3.9
- Reviews3
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Amazing Flowers: Colors, Shapes, and Nature’s Amazing Blooms (Amazing Nature Collection)
by Margaret Bar
- Price$7.99
- Reviews-
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When I Need My Own Space: A gentle picture book for sensitive children about emotions, personal space, and self-regulation
by Margaret Bar
- Price$6.99
- Reviews-
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What Is Light?: Photons, Colors, and Shadows Explained for Curious Kids, Ages 5-8, 8.25*6' (Little Science, Big Ideas)
by Margaret Bar
- Price$14.99
- Rating5.0
- Reviews1
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What is Sound: Vibrations, Ears, and Music — A Fun STEM Book About How Sound Works for Kids (Little Science, Big Ideas)
by Margaret Bar
- Price$12.99
- Reviews-
-
Amazing Minerals, Geodes & Crystals: Nature's Sparkling Treasures (Amazing Nature Collection)
by Margaret Bar
- Price$14.99
- Reviews-
-
What Is a Magnet? — Push, Pull, and Poles: A Kid-Friendly Science Book About Magnetism, Invisible Forces, Attraction, Repulsion, and How Magnets Work in ... 6*9, Ages 5-8 (Little Science, Big Ideas)
by Margaret Bar
- Price$6.99
- Rating5.0
- Reviews1
Main categories
FAQ
How many books does Margaret Bar have on Amazon?
KDPTop tracks 18 of their books; 17 made an Amazon list in the last 30 days.
Which categories does Margaret Bar publish in?
Their books chart most often in Nature, Physics, Rocks & Minerals.
How does Margaret Bar price their books?
The median price is $7.99; half of the books cost $7.99–$7.99.
Has Margaret Bar released new books recently?
9 new books in the last 30 days, 3 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.