JUST SUGGESTIONS! All of these ideas have worked for me!
Look at writer memes (I will be posting a lot of them)
Clean up your room
Read a book
Talk to a friend/ Ask a friend for ideas
Tell someone to give you a noun and make up something along that lines of that particular noun
Listen to music
Imagine random scenarios in your head
Enhance your characters
Write the end of your book
Break from writing
Go somewhere else
Give yourself a pep talk
YOU ARE READING
Writer's Guide
RandomThis Guide will include - Character Name Ideas - Story Ideas - Synonyms to use instead of a word etc ANYTHING you might need to write a book!