This came to me via my teenage son, so consider the source.
It's a movie trailer and then some for the film Skyline, with lots of er, helpful pointers for the sci-fi writers out there. Warning, it might skew how you view the film, for like, forever.
If it's good enough for movies, why not for books? - I recently reclaimed my rights to an historical fiction novel first published in 2010. Before I released it again, I did an extensive edit, a journey you...
3 hours ago