Truly Madly Guilty is a captivating novel written by Liane Moriarty, who also wrote The Husband's Secret and Big Little Lies. If you enjoyed either of those books, you are sure to love Truly Madly Guilty as well. The story revolves around six seemingly responsible adults, two best friends, and a tragic event that unfolds during a barbecue in the suburbs. This incident leads to the end of a lifelong friendship, a marriage on the brink of collapse, and an innocent bystander's death. Moriarty's masterful storytelling, relatable characters, and sharp insights into human behavior will have you hooked from beginning to end.