How do you copy a project with tasks and subtasks?

I what to take a project like:
Project - Write a Book on Cooking
Task - Write book
Task - Edit book
Task - Publish book

And be able to copy the project and all it's task to be:
Project - Write a book on Sewing
Project - Write a book on Swimnimg
Project - Write a book on Boating

Is there a way to do this?