Secrets of Blackthorn Hall

Cassandra Clare is the pen name of Judith Lewis, born Judith Rumelt to American parents in Tehran, Iran. She spent her childhood travelling with her family, living in France, England and Switzerland before she was ten, and attended high school in Los Angeles. She worked in entertainment journalism — including a spell at The Hollywood Reporter — before turning to fiction full time in 2006. City of Bones (2007) opened The Mortal Instruments, the six-book series that established her Shadowhunters w...

Cassandra Jean is a freelance illustrator and comic artist. She has worked with Yen Press for over a decade, drawing the graphic novel and manga adaptations of Kami Garcia and Margaret Stohl's Beautiful Creatures, Ransom Riggs's Miss Peregrine's Home for Peculiar Children and Hollow City, and Cassandra Clare's The Mortal Instruments. Her own comics include Reindeer Boy (Yen Press, 2016) and Cuckoos Three, co-created with Mosskat and first serialised on WEBTOON.

Audrey Estok is a freelance illustrator based in Baltimore, Maryland. A Philadelphia native, she studied illustration with a concentration in book arts at the Maryland Institute College of Art. Her work spans poster and key art, editorial illustration, variant covers and book covers, with clients including Disney+, Marvel Studios, Hulu, Forbes, Bloomsbury, Macmillan and Swoon Reads. She joined the Poster Posse in 2022. She is credited as one of the illustrators of Cassandra Clare's Secrets of Bl...