It may seem rather archaic to see life in only black and white, but that's what a decade-long career in ultrasound looks like. Exactly 256 shades of gray projected onto a monitor. Every single pixel and sound wave coming together to form an image that will determine the fate of so many lives. Waves follows one day in the life of Cassie, a high risk prenatal sonographer. Hour by hour, patient by patient, she travels through the multiple emotions and chronicles during pregnancy. A complex, yet invaluable story that reveals all the raw feelings and chaos that occurs during a woman's reproductive journey. From joyous excitement to utter devastation; Cassie begins to blur the lines between healthcare and human care. Challenged at times by the healthcare system, she also must navigate her role in ultrasound not only as a provider but as a companion. Her medical career is explored in this up close and personal memoir, that is bound to teach us all something worth knowing.