The month of October is a great time to prepare to participate in National Novel Writing Month, which is held annually in November.

Originally Posted by NaNoWriMo website
National Novel Writing Month (NaNoWriMo) is a fun, seat-of-your-pants approach to creative writing
Each November, the NaNoWriMo program is underway:

NaNoWriMo also hosts a Young Writers program:

NaNoWriMo blog, dedicated to NaNoWriMo prep: