Judith Rumelt (born July 27, 1973), better known oleh her pen name Cassandra Clare, is an American penulis of young adult fiction, most known for her bestselling series The Mortal Instruments
Personal life

Clare was born Judith Rumelt, to American parents, in Tehran (Iran). Her parents are Elizabeth and Richard Rumelt, who is a business school professor and author.[4] Her maternal grandfather was film producer Max Rosenberg.[5] Clare is Jewish, and has described her family as "not religious".[6][7]
As a child, Clare traveled frequently, spending time in Switzerland, England, and France. She returned...

City of Heavenly api is the sixth, and final, novel in The Mortal Instruments series.
Synopsis
Jace, Clary and their friends are drawn inexorably into a war that puts Heaven against Hell, malaikat against demons – a war that threatens to destroy our world entirely if the Shadowhunters can't end it first.
I am coming.

Darkness returns to the Shadowhunter world. As their society falls apart around them, Clary, Jace, Simon and their friends must band together to fight the greatest evil the Nephilim have ever faced: Clary’s own brother. Nothing in the world can defeat him — must they journey...