In this week's episode, Blood Associate editor Dr. Hervé Dombret interviews authors Drs. Sarah K. Tasian and David T. Teachey on their contributions to the How I Treat Series on acute lymphoblastic leukemia. Dr. Tasian's paper, “How I treat Philadelphia chromosome-like acute lymphoblastic leukemia in children, adolescents, and young adults” discusses the different classes of Ph-like ALL and reviews the recent trials investigating TKIs and immunotherapy specifically for this high-risk patient population. Dr. Teachey's paper, “How I treat ETP-ALL in children”, discusses the best current and emerging therapies that may be used in patients with ETP ALL, including nelarabine and other new agents, immunotherapy, and allogeneic HSCT.