Why?
Because there aren’t enough books with minority protagonists as leads or who are integral to a story.
Scifi novels that WCS will have on sale shortly:

Miss Brighton’s School for Exceptional Young Ladies
I hope to have this sampler out as a free download on Wednesday:

1st WSC Scifi Sampler, featuring Second earth ruled by women, and Sir Leonidas Sinclair, the man of many centuries
This is just a mock up of the science fiction WSC will be offering in the coming months

Scifi Sampler