KDP categories · Top KDP authors
Smart Stars: Amazon KDP author data
As of Nov 6, 2026, Smart Stars has 112 books on Amazon, 15 of them on a best-seller list in the last 30 days (best rank #44), mostly in Test Preparation, Study Aids, Children's General Study Aids.
| Median price | $15.99 |
|---|---|
| Price range (middle 50%) | $15.99 – $15.99 |
| Median reviews | 1 |
| Total reviews | 4 |
| New books (30 days) | 15 |
| Breakout books (30 days) | 3 |
What stands out
- Only 13% of the catalog charted in the last 30 days; sales rest on a few titles.
- 15 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Smart Stars's best-ranked books
-
Smart Stars Pennsylvania PSSA Grade 5 Science: 5 Practice Tests with Detailed Answer Explanations
by Smart Stars
- Price$15.99
- Reviews-
-
Smart Stars Ohio State Test Grade 3 Math and English Language Arts: 10 Practice Tests (5 Math + 5 ELA) with Detailed Answer Explanations
by Smart Stars
- Price$24.99
- Reviews-
-
Smart Stars M-STEP Michigan Grade 5 Science: 5 Practice Tests with Detailed Answer Explanations (Smart Stars Michigan M-STEP)
by Smart Stars
- Price$15.99
- Reviews-
-
New York State Test Prep Guide - English Language Arts (ELA) Grade 3: 5 Full-length NYS Practice Tests
by Smart Stars
- Price-
- Rating5.0
- Reviews2
- Published2025-05
-
Texas STAAR Test Prep Guide - Reading Language Arts (RLA) Grade 4: 5 Full-length STAAR Practice Tests
by Smart Stars
- Price-
- Rating4.0
- Reviews1
- Published2025-05
-
Texas STAAR Test Prep Guide - Reading Language Arts (RLA) Grade 3: 5 Full-length STAAR Practice Tests
by Smart Stars
- Price$13.32
- Rating5.0
- Reviews1
- Published2025-05
-
Smart Stars Wisconsin Forward Exam Grade 3 Math: 5 Practice Tests with Detailed Answer Explanations
by Smart Stars
- Price$15.99
- Reviews-
- Published2026-07
-
Smart Stars North Dakota ND A+ Grade 3 Math: 5 Practice Tests with Detailed Answer Explanations
by Smart Stars
- Price$15.99
- Reviews-
- Published2026-06
-
Smart Stars New York State Grade 3 Math and English Language Arts: 10 Practice Tests (5 Math + 5 ELA) with Detailed Answer Explanations (New York State Test (NYST) Prep)
by Smart Stars
- Price$24.99
- Reviews-
- Published2026-07
-
Smart Stars Michigan M-STEP Grade 4 English Language Arts: 5 Practice Tests with Detailed Answer Explanations
by Smart Stars
- Price$15.99
- Reviews-
- Published2026-07
Main categories
FAQ
How many books does Smart Stars have on Amazon?
KDPTop tracks 112 of their books; 15 made an Amazon list in the last 30 days.
Which categories does Smart Stars publish in?
Their books chart most often in Test Preparation, Study Aids, Children's General Study Aids.
How does Smart Stars price their books?
The median price is $15.99; half of the books cost $15.99–$15.99.
Has Smart Stars released new books recently?
15 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.