Pale Kings and Princes (Tales From The Shadowhunter Academy #6)

As a former vampire, Simon's always been sympathetic to Downworlders. But after a training exercise goes wrong, he gets a glimpse into the Shadowhunters' prejudice as he learns about the origin of Helen and Mark Blackthorn, key characters in The Dark Artifices.
Simon has an encounter with Downworlders and is reprimanded for not following the rules for Academy students interacting with Downworlders. A story within a story: Andrew Blackthorn, while a student at the Academy, becomes enthralled by a faerie and has two children with her: Mark and Helen.

Fantasia