Hopperfield Education 的 KDP 数据
截至 2026 年 11 月 6 日，Hopperfield Education 在 Amazon 有 12 本书，近 30 天有 10 本上过榜，最好排名 #1，主要在认证、Security、认证、培训与参考。
12Amazon 上的书
10近 30 天上榜书
4.8平均评分
| 价格中位数 | $29.99 |
|---|---|
| 价格区间（中间 50%） | $29.99 – $35.75 |
| 评论中位数 | 310 |
| 评论总数 | 2,488 |
| 近 30 天新上架（含新版本） | 0 |
| 近 30 天突围新书 | 0 |
数据解读
- 近 30 天 83% 的书上过榜，整个书目都在卖，不靠单本。
- 定价中位 $29.99，比主类目「认证」的中位价低 16%。
Hopperfield Education 排名最好的书
-
CompTIA A+ Study Guide: Complete and Exam-Focused Reference for Core 1 (220-1201) & Core 2 (220-1202) with E-Learning Platform, Exam Simulations, Practical Study Strategies, and IT Case Studies
作者 Hopperfield Education
- 价格$29.99
- 评分4.8
- 评论327
-
IBEW Aptitude Test Prep: Exam-Focused Study Guide for Electrical Apprenticeship Applicants with Algebra, Functions, Reading Comprehension, Clear Explanations, Timed Mock Tests & Online Tools
作者 Hopperfield Education
- 价格$29.99
- 评分4.9
- 评论313
-
CompTIA Security+ Study Guide: Complete Certification Manual for SY0-701, Designed for Exam-Realistic Practice with Full-Length Test Simulations and Smart Learning Platform
作者 Hopperfield Education
- 价格$29.99
- 评分4.8
- 评论159
-
CompTIA A+ Study Guide: Complete and Exam-Focused Reference for Core 1 (220-1201) & Core 2 (220-1202) with E-Learning Platform, Exam Simulations, Practical Study Strategies, and IT Case Studies
作者 Hopperfield Education
- 价格$29.97
- 评分4.8
- 评论327
- 出版2026-01
-
CompTIA SecAI+ Study Guide: Comprehensive Exam-Focused AI Security Reference with Digital Tools for Smart Learning, Including PBQ Scenarios, Flashcards & Test Simulator
作者 Hopperfield Education
- 价格$35.97
- 评分4.8
- 评论129
-
CompTIA SecAI+ Study Guide: Comprehensive Exam-Focused AI Security Reference with Digital Tools for Smart Learning, Including PBQ Scenarios, Flashcards & Test Simulator
作者 Hopperfield Education
- 价格$37.99
- 评分4.8
- 评论129
- 出版2026-04
-
CompTIA Security+ Study Guide: Complete Certification Manual for SY0-701, Designed for Exam-Realistic Practice with Full-Length Test Simulations and Smart Learning Platform
作者 Hopperfield Education
- 价格$29.97
- 评分4.8
- 评论159
-
IBEW Aptitude Test Prep: Exam-Focused Study Guide for Electrical Apprenticeship Applicants with Algebra, Functions, Reading Comprehension, Clear Explanations, Timed Mock Tests & Online Tools
作者 Hopperfield Education
- 价格$29.99
- 评分4.9
- 评论310
-
Journeyman Electrician Exam Prep: The Complete Study Guide with Digital Tools, Unlimited Mock Tests, Flashcards, and Printable Practice, Fully Aligned with the Latest NEC Edition
作者 Hopperfield Education
- 价格$35.48
- 评分5.0
- 评论315
-
CompTIA A+ Study Guide: Complete and Exam-Focused Reference for Core 1 (220-1201) and Core 2 (220-1202), with practical study strategies, digital exam simulations, and real-world IT case studies
作者 Hopperfield Education
- 价格-
- 评分4.2
- 评论7
主要上榜类目
常见问题
Hopperfield Education 在 Amazon 有多少本书？
KDPTop 跟踪到 12 本，近 30 天有 10 本上过 Amazon 榜单。
Hopperfield Education 主要写哪些类目？
上榜最多的类目是认证、Security、认证、培训与参考。
Hopperfield Education 的书一般卖多少钱？
定价中位数 $29.99，一半的书在 $29.99–$35.75 之间。
Hopperfield Education 最近出新书了吗？
近 30 天新上 0 本。
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。