age 13+ Strong teen braves awful family in boozy, intriguing sequel. Parents need to know that We Fell Apart is the compelling, darkly romantic third book in the We Were Liars series by E. Lockhart. Mature themes include underage drinking, hooking up, and talk about pill and cocaine use by adults. Violence includes non-consensual medical treatment, a grown man who threatens a teen girl with physical harm, and violence against animals (and perpetrated by animals).