You read the book through, ensure that you know it, and sit down and write a screenplay. After querying production companies/agents, if your script is selected for production, the legalities will be handled by the production company.
Someone elses delete's their answer.
You can do anything you like after you write a screenplay.
I believe someone must write the screenplay for it to become a movie.
Knowingly committing forgery is a felony.
Write a screenplay.... Then shop it....
Yes Melissa did write the screenplay for Twilight:D
Stephen King did not write the screenplay for "Creepshow 2." The screenplay for the movie was written by George A. Romero and Lucille Fletcher, based on stories by Stephen King.
You should not write a screenplay like you would write a novel, or an essay, or newspaper column or any other writing. A screenplay follows a rigorous format and tells a story.
Jodi Picoult wrote the novel "My Sister's Keeper" on which the movie is based. However, she was not involved in writing the screenplay for the film adaptation.
A screenplay is a product. It tells a story. You can write the story as a pitch, as a treatment, as a novel or as a screenplay. Both are required in order to tell your story on film.
You do indeed need permission to write an adapted screenplay. This is to make sure you are following the copy rights.
It will depend on the writer as to how long it takes to write a screenplay for animation. It could take several weeks to even years.