Clarence B. Barrios 的 KDP 数据
Clarence B. Barrios 在 Amazon 有 46 本书，近 30 天有 35 本上过榜，最好排名 #1，主要在Vocational Tests、Civil Service、职业。
46Amazon 上的书
35近 30 天上榜书
4.6平均评分
| 价格中位数 | $28.99 |
|---|---|
| 价格区间（中间 50%） | $9.99 – $29.99 |
| 评论中位数 | 5 |
| 评论总数 | 191 |
| 近 30 天新书 | 5 |
| 近 30 天突围新书 | 2 |
数据解读
- 近 30 天 76% 的书上过榜，整个书目都在卖，不靠单本。
- 近 30 天新上 5 本，其中 2 本冲进了畅销榜。
Clarence B. Barrios 排名最好的书
-
California C-10 Electrical Contractor License Exam Prep 2026–2027: Complete CSLB Trade & Law and Business Study Guide with 12 Full-Length Test, 1200+ Practice ... (The Barrios C-10 Method Book 1)
作者 Clarence B. Barrios
- 价格$9.99
- 评分5.0
- 评论2
-
USCG Captain’s License Study Guide 2026-2027: OUPV & Six-Pack Exam Prep: Rules of the Road, Chart Plotting, Navigation & Safety with 640+ Practice ... Explanations (The Barrios Captain's Method)
作者 Clarence B. Barrios
- 价格$27.99
- 评分4.6
- 评论15
-
EIAT Study Guide 2026–2027: Elevator Industry Aptitude Test Prep with 900+ Practice Questions, 10 Full-Length Exams, Math, Mechanical & Tool Review ... Apprenticeship (The Barrios EIAT Method)
作者 Clarence B. Barrios
- 价格$29.59
- 评分5.0
- 评论8
-
CPA FAR EXAM PREP 2026-2027: Master All 4 Domains with 1500+ Questions, 10 Full-Length Exams, 500+ Flashcards and Concise Answer Explanations
作者 Clarence B. Barrios
- 价格$9.99
- 评分4.6
- 评论3
-
AAPC CPC Study Guide 2026-2027: Complete Content Review, 20 Full-Length Tests, 2000+ Practice Questions, and Open-Book Code Navigation Strategy for Exam Day (The Barrios CPC Method 1)
作者 Clarence B. Barrios
- 价格$9.99
- 评分5.0
- 评论1
-
ASE G1 Maintenance and Light Repair Study Guide 2026-2027: Test Prep with 1100+ Practice Questions, 20 Full-Length Exams, & Detailed Answer Explanations (The Barrios ASE G1 Method)
作者 Clarence B. Barrios
- 价格$30.99
- 评分5.0
- 评论6
-
HAWAII FIREFIGHTER EXAM STUDY GUIDE 2026-2027: All-in-One Written and Physical Ability Test Guide with 1000+ Practice Questions and Full Answer ... ... Barrios Hawaii Firefighter Method Book 1)
作者 Clarence B. Barrios
- 价格$9.99
- 评分5.0
- 评论2
-
CTS Certified Technology Specialist Exam Prep 2026-2027: Complete Study Guide with 2000+ Practice Questions, 18 Full-Length Exams, AV Signal Flow, and ... (The Barrios CTS Method Book 1)
作者 Clarence B. Barrios
- 价格$9.99
- 评分5.0
- 评论3
-
EPA 608 Certification Study Guide 2026-2027: Updated HVAC Refrigerant Handling Exam Prep for Core, Type I, II, III & Universal — 7 Full-Length Tests, ... Explanations (The Barrios EPA 608 Method)
作者 Clarence B. Barrios
- 价格$25.99
- 评分2.9
- 评论2
-
PRAXIS SOCIAL STUDIES 5581 STUDY GUIDE 2026-2027: Complete Content Review, 5 Full-Length Practice Tests, 700+ Questions with Answer Explanations, and ... ... Praxis Social Studies 5581 Method Book 1)
作者 Clarence B. Barrios
- 价格$9.99
- 评分5.0
- 评论6
主要上榜类目
数据说明
数据来自 KDPTop 每天对 Amazon 公开榜单页面的抓取，中位数基于最新一期畅销榜。机会分综合了评论门槛、低评论书占比、榜单更替、新书占比和价格，0–100 分，越高越容易进入。