What does a custodian do every day?  Follow custodians in a hospital as they work to keep people healthy and happy. These health heroes do the important work of keeping our hospitals safe and clean. Discover the tools and supplies custodians use as they work with other hospital staff. Like all health heroes, they make sure the needs of the patient come first. Meet a real custodian from Mayo Clinic, and find out how these health heroes save the day, every day! Meets (C3) Framework for Social Studies standards: College, Career, and Civic Life. D2.Civ.2.K-2. Explain how all people, not just official leaders, play important roles in a community. Mayo Clinic Press Kids creates empowering health and wellness content in partnership with pediatric experts. Proceeds from the sale of every book go to benefit important medical research and education at Mayo Clinic.