KDP categories · Top KDP authors

Deborah A Langford: Amazon KDP author data

As of Nov 6, 2026, Deborah A Langford has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in Education & Teaching, Study & Test-Taking Skills, Test Preparation.

2Books on Amazon
2Listed in 30 days
5.0Average rating
Median price$13.49
Price range (middle 50%)$7.24 – $19.74
Median reviews8
Total reviews16
New books (30 days)2
Breakout books (30 days)1

What stands out

  • Median price $13.49, 39% above the median of their main category, Education & Teaching.

Deborah A Langford's best-ranked books

  1. GED STUDY GUIDE 2026-2027 ALL SUBJECTS: Complete study guide for Math, Language Arts, Scie book cover by Deborah A Langford

    GED STUDY GUIDE 2026-2027 ALL SUBJECTS: Complete study guide for Math, Language Arts, Science & Social Studies with Practice Questions, Detailed Answer Explanations and Full-Length Practice Tests

    by Deborah A Langford

    • Price$0.99
    • Rating5.0
    • Reviews8
    • Published2026-09

    View on Amazon · Full data on KDPTop

  2. GED STUDY GUIDE 2026-2027 ALL SUBJECTS: Complete study guide for Math, Language Arts, Scie book cover by Deborah A Langford

    GED STUDY GUIDE 2026-2027 ALL SUBJECTS: Complete study guide for Math, Language Arts, Science & Social Studies with Practice Questions, Detailed Answer Explanations and Full-Length Practice Tests

    by Deborah A Langford

    • Price$25.99
    • Rating5.0
    • Reviews8

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Deborah A Langford have on Amazon?

KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.

Which categories does Deborah A Langford publish in?

Their books chart most often in Education & Teaching, Study & Test-Taking Skills, Test Preparation.

How does Deborah A Langford price their books?

The median price is $13.49; half of the books cost $7.24–$19.74.

Has Deborah A Langford 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.