Student or Learner
"…But I'm not on vacation-I’m travel writer, I'm doing a book on mountains in North America."
I can't understand the meaning"do a book". Please explain the meaning of "do a book" to me.
Thank you ,engee30,fivejedjon.Threr are a lot of meanings of "do" in the dictionary.I understand i"do"="write" in this sentence.
In its widest sense, including research, etc.