For me, it totally depends. Sequel bait is high on my list of no-nos, right up there with plot moppets and TSTL heroines, but when a character I’m already invested in gets their own story in a world I already know, I love it with a passion.
What really makes me snarl is when a new character suddenly pops up towards the end of a book. We’re at a critical stage in the plot or sometimes even in an epilogue and suddenly (WTF?) the heroine’s sister or the hero’s cousin arrives on some slender pretext and gets shoe-horned into the story Continue reading