View Spread Chlamydia The most commonly diagnosed STD among teens, Chlamydia’s etiology, symptoms and treatment are described, and advice on prevention through smart, informed decisions is offered. RL Grades 6 IL Grades 7-12+ Details: Product type: Paperback Book ISBN: 978-1-4358-3774-4 Author: Amy Breguet Copyright: 2007 Reading Level: Grade 6 Interest Level: Grades 7-12+ Dimensions: 7 1/4" x 9 1/4" Paperback Book — $32.95 / $28.05