Katrien Quillworthy

"I've been wanting to experiment with booklice ever since I heard about them. Apparently they're immune to sorcery―can you imagine the scientific implications?"

- ― Katrien Quillworthy, Sorcery of Thorns

Katrien Quillworthy was an apprentice at the Great Library of Summershall.

Early Life
When Katrien was 13 years old she started her apprenticeship at the Great Library of Summershall where she met Elisabeth Scrivener, also 13 years old at the time, both quickly became best friends.

Physical description
Katrien has dark eyes, brown skin, and wears her hair in a braid. She wears glasses. Like the other apprentices, she wears a key on a chain around her neck and pale blue apprentice's robes.