Correct

丛书

/ cóngshū /
Strokes

Definition

a series of books/a collection of books

Example

As a Noun

series of books; series; set; collection

1
Shìjiè
世界
dòng
动物
cóngshū
丛书

series of books on animals of the world

2
Shèhuìxué
社会学
  
/
xué
自学
cóngshū
丛书

sociology/self-study series

3
Cóngshū
丛书
第一

first series

4
Chūbǎn
出版
cóngshū
丛书

publish/produce a series of books

5
Biān
编辑
cóngshū
丛书

edit a series of books

6
tào
cóngshū
丛书

a series/set of books