It’s never too early/soon to start marketing your book . . . so develop and implement a marketing plan months before the launch of your book. I’ll go as far as suggesting your marketing should begin when you first put pen to paper!
However, marketing doesn’t stop once the the book has been released, but requires consistent attention well after.
The following article from Lisa Shultz titled: “Start Marketing Your Book Even Before It Is Done” discusses this further.
It’s a great read and hope you feel worthy of sharing this with your friends and or fans: