KDP categories · Top KDP authors
Thomas K Langford: Amazon KDP author data
As of Nov 6, 2026, Thomas K Langford has 20 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #1), mostly in Plumbing & Household Automation, Environmental, Civil.
| Median price | $18.96 |
|---|---|
| Price range (middle 50%) | $8.84 – $22.23 |
| Median reviews | 3 |
| Total reviews | 32 |
| New listings (30 days, incl. new editions) | 7 |
| Breakout books (30 days) | 5 |
What stands out
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $18.96, 16% below the median of their main category, Plumbing & Household Automation.
- 7 new listings in the last 30 days (new editions included), 5 of them broke into a Best Sellers list.
Thomas K Langford's best-ranked books
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THE WATER PROJECTS FIELD MANUAL: A Practical, Illustrated Guide to Rainwater Harvesting, Storage, Pumps and Filtration: Step-by-Step Systems for Your Home, Cabin, or Homestead in Any Climate
by Thomas K Langford
- Price$2.99
- Rating4.8
- Reviews12
- Published2026-07
-
The Only Home Plumbing Handbook You'll Ever Need: Fix Leaks, Prevent Water Damage & Handle Repairs Without Calling a Pro -Step-by-Step Illustrations Covering PEX, Copper & Older Homes (Color Edition)
by Thomas K Langford
- Price$12.99
- Reviews-
-
Quicken Classic Deluxe User Guide for Beginners and Seniors: The Large-Print Illustrated Step-by-Step Guide to Reconcile Accounts, Track Retirement Income, ... Tech Mastery for Seniors Series Book 4)
by Thomas K Langford
- Price$2.99
- Reviews-
- Published2026-10
-
THE WATER PROJECTS FIELD MANUAL: A Practical, Illustrated Guide to Rainwater Harvesting, Storage, Pumps and Filtration: Step-by-Step Systems for Your Home, Cabin, or Homestead in Any Climate
by Thomas K Langford
- Price$19.99
- Rating4.8
- Reviews12
-
Apple Watch Series 12 User Guide: A Practical Illustrated Manual for Seniors & Beginners with watchOS 27 Tips to Confidently Master Everyday Features and ... Tech Mastery for Seniors Series Book 3)
by Thomas K Langford
- Price$3.99
- Reviews-
-
The Complete Guide to US Citizenship Test in Vietnamese with 128 Questions and Answers: Chuẩn bị nhập tịch tiếng Việt-Anh: Giáo dục công dân đơn giản với lịch học, hướng dẫn phỏng vấn và luyện thi.
by Thomas K Langford
- Price$18.99
- Rating5.0
- Reviews1
-
THE COMPLETE VISUAL iPHONE GUIDE FOR SENIORS: Large-Print Visual Step-by-Step Handbook to Master Calling, Texting, FaceTime, Photos, Everyday Apps & ... (The Easy Tech Mastery for Seniors Series)
by Thomas K Langford
- Price$18.99
- Reviews-
-
THE COMPLETE VISUAL iPHONE GUIDE FOR SENIORS: Large-Print Visual Step-by-Step Handbook to Master Calling, Texting, FaceTime, Photos, Everyday Apps & Scam ... Easy Tech Mastery for Seniors Series 1)
by Thomas K Langford
- Price$5.99
- Reviews-
- Published2026-10
-
iOS 27 USER GUIDE: The Complete Visual Step-by-Step Manual for Seniors & Beginners to Master New Features, Settings, Siri, Battery Life, Privacy, ... (The Easy Tech Mastery for Seniors Series)
by Thomas K Langford
- Price$18.96
- Rating5.0
- Reviews3
- Published2026-10
-
iOS 27 USER GUIDE: The Complete Visual Step-by-Step Manual for Seniors & Beginners to Master New Features, Settings, Siri, Battery Life, Privacy, Photos ... Tech Mastery for Seniors Series Book 2)
by Thomas K Langford
- Price$0
- Rating5.0
- Reviews3
- Published2026-10
Main categories
FAQ
How many books does Thomas K Langford have on Amazon?
KDPTop tracks 20 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Thomas K Langford publish in?
Their books chart most often in Plumbing & Household Automation, Environmental, Civil.
How does Thomas K Langford price their books?
The median price is $18.96; half of the books cost $8.84–$22.23.
Has Thomas K Langford released new books recently?
7 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.