Here is a list of The Mortal Instruments Books Ranked, According to Goodreads.
City of Heavenly Fire
Goodreads Rating: 4.40
From the blurb:
Darkness has descended on the Shadowhunter world. Clary, Jace, Simon, and their friends band together to fight the greatest evil they have ever faced…
City of Glass
Goodreads Rating: 4.28
From the blurb:
Amid the chaos of war, the Shadowhunters must decide to fight with the vampires, werewolves and other Downworlders – or against them. Meanwhile, Jace and Clary have their own decision to make: should they pursue the love they know is a mortal sin?
City of Lost Souls
Goodreads Rating: 4.22
From the blurb:
What price is too high to pay, even for love? Clary is willing to do anything for Jace, but can she still trust him? Or is he truly lost?
City of Ashes
Goodreads Rating: 4.12
From the blurb:
Love and power are the deadliest temptations… Haunted by her past, Clary is dragged deeper into New York City’s terrifying underworld of demons and Shadowhunters – but can she control her feelings for a boy who can never be hers?
City of Bones
Goodreads Rating: 4.08
From the blurb:
Irresistibly drawn towards a group of demon hunters, Clary encounters the dark side of New York City and the dangers of forbidden love.
City of Fallen Angels
Goodreads Rating: 4.08
From the blurb:
To love is to destroy… The Mortal War is over, and Clary Fray is home in New York, excited about all the possibilities before her. She’s training to become a Shadowhunter and – most importantly of all – she can finally call Jace her boyfriend. But her happiness has come at a price…