From Wikipedia

City of Ashes is the second installment in The Mortal Instruments series, a young adult urban fantasy series set in New York written by Cassandra Clare. The first four books of the series have been published, with two left. The first book City of Bones was originally published in the USA in hardcover on March 25, 2008. Read more - Shopping-Enabled Wikipedia on Amazon

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From School Library Journal

Grade 9 Up—In this sequel to City of Bones (S & S, 2007), the nonstop action continues. The Shadowhunters are battling a world of demons that few people can see. Guided by the laws of the Clave, these hunters balance fighting with the other more mundane aspects of life—love, betrayal, and confusion. Jace, the fiercest teenage Shadowhunter, seems determined to make everyone around him angry, and is looked upon with suspicion because his father, Valentine, is out to rule the world. Meanwhile, love triangles abound, vampires are reborn, and general teenage angst blossoms among a group of friends and siblings. Set in an alternative present-day Manhattan, the story comes complete with Britney Spears references and even, ironically, refers to the scientific CSI. Well written in both style and language, it compares favorably to others in this genre. The human characters are well developed and quite believable. The whole book is like watching a particularly good vampire/werewolf movie, and it leaves readers waiting for the next in the series. Watch this one fly off the shelves.—Jennifer-Lynn Draper, Children's Literature Consultant, Oshawa, Ontario, Canada
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