Recipient of the 2019 NAGC Curriculum AwardIt is a germy world out there, and students are naturally curious about this hidden world. Microscopic Monsters and the Scientists Who Slay Them, a 30-lesson interdisciplinary science unit:Is designed to teach high-ability fourth and fifth graders how to think like real-world epidemiologists.Was designed using the research-based Integrated Curriculum Model.Features challenging problem-based learning tasks and engaging resources.Includes detailed teacher instructions and suggestions for differentiation.Is winner of the National Association for Gifted Children''s curriculum award.In unit, students apply principles of epidemiology and microbiology to respond to a fictional epidemic and its effect on their town, all while building an understanding of the perseverance required to detect, track, and stop epidemics through the experiences of real-life epidemiologists and exploring career paths available in the diverse fields of medicine and microbiology. Suggestions and guidance are included on how teachers can adjust the rigor of learning tasks based on students'' interests and needs.Grades 4-5