Here's where you learn how to brainstorm! Make a list of everything you think is interesting and pick one of them as your topic.
The only good topic for any writer is one that they are interested in! Pick a topic that seems scary to you, that way you will be interested in writing it instead of trying to do a boring assignment.
ANYTHING that is interesting to you is a good writing topic! Writing is easiest when you are interested in what you are writing about, and writing about something you like makes your writing better, too! This sounds like a fine topic.
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Creative writing - in many professions - can serve as good exercise for strengthening writing skills and thinking skills.
You have to check your work
A good topic and a creative mind my friend.
Here's a good link for you!
The point of CREATIVE writing is for you to create. Click the link to see how all stories are begun.
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A good topic can interest people. If you are writing a report, choosing a good topic sentence will interest you, and your reader. It is very important to choose a good topic sentence for the interest of you, and the people who will be listening to you.
Here's a good link for you to explore.
I don't know about textbooks, but here is a link to a good online creative writing course for kids and teens.