I've just literally posted in a similar thread... but I assume this is just for novels, so here are some of my favorites.
First of all, totally agree on KarinBerry's Boneca recommendation, it's an intriguing book!
@IntoTheTempest
Same as your recommendation, it's an author whose work I know, love and respect from Wattpad
@shi0h
Is someone I spotted while browsing Tapas, and I love the steady build up of the story and it's beat
@sxxaint
has a complex emotional story that is something extraordinary for the internet, I've met them through Tapas, but they are also on Watt