KDP categories · Top KDP authors
Study Guides (Studying & Workbooks, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Study Guides (Studying & Workbooks, Kindle eBooks), updated Nov 3, 2026: median price $8.47, median 42 reviews, average rating 4.5 and a KDPTop opportunity score of 31/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $10.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 17% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 31% of the parent category Studying & Workbooks (134), one of the easier corners under it.
- 17% of its best sellers came out in the last 90 days, more than in 81% of Kindle eBooks categories: readers here keep buying new titles.
- Prices spread wide: the middle half runs from $2.99 to $10.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Study Guides best sellers
-
English for Everyone: English Grammar Guide: A Comprehensive Visual Reference (DK English for Everyone)
by DK
- List rank#1
- Price$1.99
- Rating4.8
- Reviews3,180
-
Speed Reading: Learn to Read a 200+ Page Book in 1 Hour (Mental Performance)
by Kam Knight
- List rank#2
- Price$4.99
- Rating4.5
- Reviews4,029
-
Active Revision: The Forgetting Curve, Fibonacci Sequence, and How to Layer Your Learning (Layered Learning)
by James Hernandez
- List rank#3
- Price$2.99
- Reviews-
-
Workbook: The Seven Principles for Making Marriage Work : An Implementation Guide to John Gottman’s Book: A Practical Guide from The Country's Foremost Relationship Expert
by Wright Publishers
- List rank#4
- Price$3.99
- Rating4.2
- Reviews192
-
Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks
- List rank#5
- Price$4.99
- Rating4.6
- Reviews2,404
-
Workbook: The Mountain Is You by Brianna Wiest: Transforming Self Sabotage into Self Mastery (Personal Growth Books Book 3)
by Alice Moore
- List rank#6
- Price$6.68
- Rating4.6
- Reviews455
-
CompTIA® Security+® SY0-801 Certification Guide: Build essential cybersecurity skills and pass the SY0-801 exam on your first attempt
by Ian Neil
- List rank#7
- Price$34.19
- Rating5.0
- Reviews10
-
The Ham Radio Prep General Class License Manual (2023 - 2027) (Ham Radio License Package Book 2)
by Ham Prep
- List rank#8
- Price$7.99
- Rating4.7
- Reviews284
-
How to Win - American Mah Jongg - 2026: Unlock the Power of the NMJL Card
by Julie Alexander
- List rank#9
- Price$8.99
- Rating4.4
- Reviews41
-
LSAT Prep 2026-2027: Study Guide for the Current LSAT Format with Full-Length Practice Tests, Step-by-Step Explanations, and a 6-Week Study Plan
by ETHAN R. VOSS
- List rank#10
- Price$0.99
- Reviews-
Same niche in Books: Study Guides
FAQ
Is Study Guides a good niche for Amazon KDP?
Its KDPTop opportunity score is 31/100, which makes it highly competitive. The median best seller has 42 reviews and sells for $8.47.
How many reviews do you need to rank in Study Guides?
The median best seller has 42 reviews, and 57% of them have fewer than 100.
What do Study Guides best sellers cost?
The median price is $8.47; half of the best sellers are priced between $2.99 and $10.99.
Can new books break into Study Guides?
17% of the current best sellers were released in the last 90 days.
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.