Spectrum 的 KDP 数据
Spectrum 在 Amazon 有 150 本书，近 30 天有 97 本上过榜，最好排名 #1，主要在Vocabulary & Spelling、Fractions、新书、二手书与租赁教材。
150Amazon 上的书
97近 30 天上榜书
4.6平均评分
| 价格中位数 | $10.07 |
|---|---|
| 价格区间（中间 50%） | $9.74 – $13.52 |
| 评论中位数 | 840 |
| 评论总数 | 208,798 |
| 近 30 天新书 | 4 |
| 近 30 天突围新书 | 0 |
数据解读
- 近 30 天 65% 的书上过榜，整个书目都在卖，不靠单本。
- 近 30 天新上 4 本。
Spectrum 排名最好的书
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Spectrum Grade 7 Science Workbook, Middle School Books Covering Natural, Earth, Life Sciences, and More With Scientific Research Activities, Classroom or Homeschool Curriculum (Volume 59)
作者 Spectrum
- 价格$9.74
- 评分4.6
- 评论2,687
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Spectrum Spelling Workbook Grade 2, Ages 7 to 8, 2nd Grade Spelling Workbook, Phonics, Handwriting Practice with Sight Words, Vowels, and Compound Words With English Dictionary - 208 Pages
作者 Spectrum
- 价格$8.13
- 评分4.7
- 评论2,411
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Spectrum 7th Grade Math Workbooks, Mathematics Middle School Books Covering Geometry, Algebra, Ratio, Integers, and More, Classroom or Homeschool Curriculum
作者 Spectrum
- 价格$10
- 评分4.6
- 评论5,966
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Spectrum Grade 7 Reading Comprehension Workbook, Middle School Activity Book Covering Nonfiction and Fiction Passages, Story Structure, and more, Classroom or Homeschool Curriculum
作者 Spectrum
- 价格$14.99
- 评分4.6
- 评论3,261
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Spectrum Reading 3rd Grade Workbooks, Activity Book Covering Nonfiction and Fiction Passages, Story Structure, Identifying Main and Key Ideas, and more, Classroom or Homeschool Curriculum
作者 Spectrum
- 价格$13.97
- 评分4.7
- 评论3,038
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Spectrum Grade 8 Reading Comprehension Workbook, Middle School Activity Book Covering Nonfiction and Fiction Passages, Story Structure, and more, Classroom or Homeschool Curriculum
作者 Spectrum
- 价格$10
- 评分4.6
- 评论2,823
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Spectrum Reading 2nd Grade Workbook, Activity Book Covering Nonfiction and Fiction Passages, Story Structure, Identifying Main and Key Ideas, and more, Classroom or Homeschool Curriculum
作者 Spectrum
- 价格$10
- 评分4.7
- 评论2,614
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Spectrum 7th Grade Writing Workbook, 192-Page Book, Middle School Writing Prompts Covering Informative, Argumentative, Comparative, and Fiction Story Writing Practice
作者 Spectrum
- 价格$13.49
- 评分4.6
- 评论1,585
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Spectrum 4th Grade Math Workbooks, Mathematics Activity Book for Kids Ages 9-10, Geometry, Fractions, Decimals, Algebra Prep, Multiplication, Division, and More, Classroom and Homeschool Curriculum
作者 Spectrum
- 价格$9.74
- 评分4.7
- 评论5,729
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。