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Samuel Hafens: Amazon KDP author data
As of Nov 6, 2026, Samuel Hafens has 35 books on Amazon, 7 of them on a best-seller list in the last 30 days (best rank #11), mostly in TCP-IP, LAN, Video Production.
| Median price | $12.64 |
|---|---|
| Price range (middle 50%) | $10.59 – $24.99 |
| Median reviews | 1 |
| Total reviews | 8 |
| New listings (30 days, incl. new editions) | 5 |
| Breakout books (30 days) | 5 |
What stands out
- Median price $12.64, 51% below the median of their main category, TCP-IP.
- 5 new listings in the last 30 days (new editions included), 5 of them broke into a Best Sellers list.
Samuel Hafens's best-ranked books
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Broadcast over IP: Building the Network for SMPTE ST 2110 (Pinnacle Broadcast Technical Series)
by Samuel Hafens
- Price$34.90
- Reviews-
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Audio Over IP Field Guide: Deploying and Troubleshooting Dante and AES67 Networks
by Samuel Hafens
- Price$24.99
- Reviews-
-
Blackmagic Design on ST 2110: A Field Guide from the First Converter to a 100G Plant with ST 2022-7 (Pinnacle Broadcast Technical Series) (Portuguese Edition)
by Samuel Hafens
- Price$12.99
- Reviews-
-
SMPTE ST 2110: Technical Manual — From SDI to IP: The complete broadcast IP infrastructure guide for engineers and technicians (Pinnacle Broadcast Technical Series)
by Samuel Hafens
- Price$12.39
- Reviews-
-
Guía de Campo de Audio sobre IP: Implementación y resolución de problemas de redes Dante y AES67 (Spanish Edition)
by Samuel Hafens
- Price$24.99
- Reviews-
-
Broadcast en IP: Construyendo la Red para SMPTE ST 2110 (Spanish Edition)
by Samuel Hafens
- Price$34.99
- Rating5.0
- Reviews1
-
PTP: Sincronización de Precisión para Broadcast IP: Del IEEE 1588 al SMPTE ST 2059 — La guía técnica completa (Spanish Edition)
by Samuel Hafens
- Price-
- Rating5.0
- Reviews1
-
10 passos para se tornar um Videomaker de sucesso (Portuguese Edition)
by Samuel Hafens
- Price$0
- Rating5.0
- Reviews1
- Published2025-01
-
Teorias da Conspiração em Hollywood: Simplesmente Eletrizante (Portuguese Edition)
by Samuel Hafens
- Price$0
- Rating1.0
- Reviews1
- Published2025-01
-
PTP: Sincronización de Precisión para Broadcast IP: Del IEEE 1588 al SMPTE ST 2059 — La guía técnica completa (Spanish Edition)
by Samuel Hafens
- Price$0
- Rating5.0
- Reviews1
- Published2026-08
Main categories
FAQ
How many books does Samuel Hafens have on Amazon?
KDPTop tracks 35 of their books; 7 made an Amazon list in the last 30 days.
Which categories does Samuel Hafens publish in?
Their books chart most often in TCP-IP, LAN, Video Production.
How does Samuel Hafens price their books?
The median price is $12.64; half of the books cost $10.59–$24.99.
Has Samuel Hafens released new books recently?
5 new books in the last 30 days, 5 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.