School is out for summer, and stepbrothers Phineas and Ferb are determined to make each day an exciting adventure through their outlandish inventions. Their elaborate projects frequently cause trouble for their older sister, Candace, who is constantly trying to catch them in the act and show their mother the evidence of their antics. Despite her efforts, the boys always manage to evade getting caught. Meanwhile, the family’s pet platypus, Perry, leads a secret double life as Agent P, a skilled operative who regularly battles the evil Dr. Doofenshmirtz. Dr. Doofenshmirtz is intent on taking over the Tri-State Area, but Perry’s quick thinking and bravery consistently thwart his plans.Phineas and Ferb: Classic Comics Collection, Volume 5 collects more of their comic adventures in their original release order--many never collected in a trade paperback before!