<P> City of Glass is the third book in The Mortal Instruments series, an urban fantasy series set in New York written by Cassandra Clare . It was originally published in the United States in hardcover on March 24, 2009 . </P> <P> City of Glass begins a few days after the conclusion of City of Ashes . Magnus Bane creates a portal to send the Lightwoods, Jace, Clary and Madeleine, a friend of Jocelyn Fray, to Alicante . Jace, desperate to keep Clary out of danger, tries to enlist Simon's help to keep Clary in New York . However, his plans are interrupted when the institute is attacked by Forsaken and Jace is forced to bring Simon to Idris . </P> <P> Clary creates a portal leading to Alicante, but in an attempt to stop her, Luke is dragged with her through the portal to Idris . They land in Lake Lyn, where Clary unwittingly ingests some of the water and begins experiencing fever, delusions, and madness due to an ancient curse placed on the lake . As Clary and Luke make their way to the Alicante, Clary's symptoms worsen and Luke is forced to carry her to the home of his estranged Shadowunter sister, Amatis, were Clary is nursed back to health . </P> <P> Meanwhile, the others are staying with Aline Penhallow and her visiting cousin, Sebastian Verlac, while Simon is being held captive by the Clave unless he implicates Jace, Clary, and the Lightwoods as Valentine's spies . The next time Jace and Clary meet, they fight after she sees Jace kissing Aline . The next day, Clary goes with Sebastian instead of Jace to Ragnor Fell's house, were they discover Ragnor dead and the Book of the White she needs to help her mom, nowhere to be found . The pair spend the next few hours together until they share an awkward kiss, after which Clary feels uneasy and insists they return home when Sebastian tells her Simon is in jail . </P>

What chapter does clary's mom wake up