Book excerpt: It can be difficult to imagine how the human body's complex systems develop, but with this visually stunning guide, students will be fully immersed in those processes. They will follow the human body's journey from the fertilization of a mother's egg all the way through gestation, with highlights on the progress of the nervous system, bone calcification, and the circulatory system. After birth, readers will encounter the microscopic bacteria, fungi, and viruses that can complicate human life, resulting in diseases that affect one or more body systems. Scientifically vetted information on allergies, digestive issues, cancer, AIDS, and more are all covered, with detailed infographics and information on medical aid and technology included.