Elkeles, Simone. Perfect chemistry / Simone Elkeles. - New York : Walker, 2009. - 360 p. ; 22 cm. ISBN: 9780802798220 (pbk.) 0802798225 (pbk.) 9780802798237 (hbk.) 0802798233 (hbk.) Subjects--Topical Terms: Social classes--Juvenile fiction.Dating (Social customs)--Juvenile fiction.Gangs--Juvenile fiction.Dysfunctional families--Juvenile fiction.High schools--Juvenile fiction. Dewey Class. No.: 813.54 / ELK 2009