Knowledge Hub 的 KDP 数据
截至 2026 年 11 月 6 日,Knowledge Hub 在 Amazon 有 25 本书,近 30 天有 13 本上过榜,最好排名 #15,主要在数学、Elementary School、普及与初等数学。
25Amazon 上的书
13近 30 天上榜书
4.0平均评分
| 价格中位数 | $4.99 |
|---|---|
| 价格区间(中间 50%) | $4.99 – $4.99 |
| 评论中位数 | 1 |
| 评论总数 | 2 |
| 近 30 天新书 | 13 |
| 近 30 天突围新书 | 3 |
数据解读
- 近 30 天 52% 的书上过榜,整个书目都在卖,不靠单本。
- 定价中位 $4.99,比主类目「数学」的中位价低 17%。
- 近 30 天新上 13 本,其中 3 本冲进了畅销榜。
Knowledge Hub 排名最好的书
-
Geometry Explorers: A Fun and Illustrated Math Adventure That Teaches Shapes, Angles, Perimeter, Area, Volume, Coordinates, and Spatial Thinking Through ... Adventure from Counting to Calculus Book 9)
作者 Knowledge Hub
- 价格$4.99
- 评论-
- 出版2026-08
-
Algebra Adventures: A Fun and Illustrated Math Adventure That Teaches Variables, Expressions, Equations, Patterns, Graphs, and Algebraic Thinking ... Adventure from Counting to Calculus Book 8)
作者 Knowledge Hub
- 价格$4.99
- 评分5.0
- 评论1
- 出版2026-08
-
Physics Adventure Quest: Exploring Motion, Energy, Gravity, Light, and the Secrets of the Universe, Story-based and Cartoon Illustrations (CURIOUS KIDS ... Biology, & Geography for Curious Minds)
作者 Knowledge Hub
- 价格$6.99
- 评论-
-
Division Detectives: A Fun and Illustrated Math Adventure That Teaches Equal Sharing, Division Facts, Remainders, and Problem-Solving Through Exciting ... Adventure from Counting to Calculus Book 4)
作者 Knowledge Hub
- 价格$0
- 评分3.0
- 评论1
- 出版2026-08
-
Multiplication Magic: A Fun and Illustrated Math Adventure That Teaches Multiplication, Times Tables, Arrays, Multiples, Factors, and Problem-Solving ... Adventure from Counting to Calculus Book 3)
作者 Knowledge Hub
- 价格$4.99
- 评论-
- 出版2026-08
-
The Amazing World of Numbers: A Fun and cartoonized Math Adventure That Teaches Counting, Number Sense, Place Value, Patterns, Comparing Numbers, and ... Adventure from Counting to Calculus Book 1)
作者 Knowledge Hub
- 价格$0
- 评论-
- 出版2026-08
-
The Secret of Addition & Substraction: A Fun and Illustrated Math Adventure That Teaches Addition, Subtraction, and Problem-Solving Through Exciting ... Adventure from Counting to Calculus Book 2)
作者 Knowledge Hub
- 价格$0
- 评论-
- 出版2026-08
-
Where Do Rainbows Come From?: Discover the Colorful Science Behind Rainbows, Sunlight, and Raindrops! (Curious Kids Science Adventure Book 4)
作者 Knowledge Hub
- 价格$0
- 评论-
- 出版2026-05
-
What Makes Magnets So Magical?: A Fun Exploration of Magnets, Forces, and Invisible Energy! (Curious Kids Science Adventure Book 5)
作者 Knowledge Hub
- 价格$0
- 评论-
- 出版2026-05
-
Why Do We Dream?: Explore the Amazing World of Sleep, Dreams, and the Human Brain! (Curious Kids Science Adventure Book 7)
作者 Knowledge Hub
- 价格$0
- 评论-
- 出版2026-05
主要上榜类目
常见问题
Knowledge Hub 在 Amazon 有多少本书?
KDPTop 跟踪到 25 本,近 30 天有 13 本上过 Amazon 榜单。
Knowledge Hub 主要写哪些类目?
上榜最多的类目是数学、Elementary School、普及与初等数学。
Knowledge Hub 的书一般卖多少钱?
定价中位数 $4.99,一半的书在 $4.99–$4.99 之间。
Knowledge Hub 最近出新书了吗?
近 30 天新上 13 本,其中 3 本进了畅销榜。
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。