'City of Fallen Angels is a tour de force.' Mountains of Instead
'I ended up loving City of Fallen Angels… and I’m already busy speculating what will happen next. I think that’s a sign of an epic series, which is exactly what this is… City of Fallen Angels has taught me never to doubt Cassie Clare. She will never disappoint!' Wondrous Reads
'The tension between Jace and Clary was electric throughout the entire book… It almost killed me.' The Overflowing Library
'The complexity of the many different strands of mythology combine to make a mind-blowing world that completely entraps me. I want to be a Shadowhunter!' So Many Books, So Little Time
'Mortal Instruments is one of my favourite supernatural series, ever...City of Fallen Angels is very pacy, almost relentless; there were no lulls in the storyline and excitement and tension continue throughout.' Library Mice
'The ending is AWESOME. A huge cliff hanger - so frustrating! Ahhhh! Brilliant stuff. Although cliff hangers drive me mad I completely see why Clare did it and it's going to be so hard waiting a year to find out more but it's a fantastic ending and sets things up perfectly for City of Lost Souls.' Writing From the Tub
'Like Stephenie Meyer once said, The Mortal Instruments is a story world I love to live in. Honestly, I could stay there for weeks and not get bored. It includes everything I love: vampires, demons, romance, hot blonde boys, drama and an intricate, well thought-out world' Wondrous Reads
'Cassandra’s mind is a labyrinth of awesome stories and ideas and this woman’s writing never fails to amaze me. I can’t wait to see where she takes us next!' Jess Hearts Books
'A completely spellbinding read from one of the most talented authors of this decade.' YA Book Reads