Text and cutaway illustrations depict how the crew lived beneath the ocean in a submarine during World War II and how they waged war on the ships above.

"It's another busy day at the hospital! Meet doctors and nurses, ride in an ambulance, and discover the magic of medicine in this nonfiction story for kids. This book is perfect for any child who is nervous about a trip to the hospital. Dr. Christle Nwora takes readers behind the scenes to meet the incredible people who keep you healthy, from surgeons to mental health therapists. Dr. Nwora also explains the science behind how things work, from X-rays...