KDP categories · Top KDP authors
Sylvia Massy: Amazon KDP author data
As of Nov 6, 2026, Sylvia Massy has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #7), mostly in Recording & Sound, Reference, Acoustics & Sound.
| Median price | $40.74 |
|---|---|
| Price range (middle 50%) | $31.67 – $50.88 |
| Median reviews | 619 |
| Total reviews | 1,238 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $40.74, 104% above the median of their main category, Recording & Sound.
Sylvia Massy's best-ranked books
-
Recording Unhinged: Creative and Unconventional Music Recording Techniques (Music Pro Guides)
by Sylvia Massy
- Price$30.77
- Rating4.8
- Reviews619
- Published2016-05
-
Recording Unhinged: Creative and Unconventional Music Recording Techniques (Music Pro Guides)
by Sylvia Massy
- Price$31.99
- Rating4.8
- Reviews619
-
The Great Book of Vintage Microphones (Music Pro Guides)
by Sylvia Massy
- Price$55
- Reviews-
-
The Great Book of Vintage Microphones (Music Pro Guides)
by Sylvia Massy
- Price$49.50
- Reviews-
- Published2026-10
Main categories
FAQ
How many books does Sylvia Massy have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Sylvia Massy publish in?
Their books chart most often in Recording & Sound, Reference, Acoustics & Sound.
How does Sylvia Massy price their books?
The median price is $40.74; half of the books cost $31.67–$50.88.
Has Sylvia Massy released new books recently?
2 new books in the last 30 days, 1 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.