co-author
nounUK /ˌkəʊˈɔːθə/
US /ˌkoʊˈɔːθər/
A co-author is a person who writes a book or story together with someone else.
She is the co-author of a popular children's book about space.
RELATED WORDS
OTHER MEANINGS
2. To write something together with another person.
The two scientists decided to co-author a paper on climate change.
3. A person who helps create a plan or idea with others.
He was a co-author of the new school rules.
4. Someone named alongside others as a creator of a report or document.
All three teachers are co-authors of the safety guide.