Deep in the vibrant ocean, a school of ten energetic little fish are swimming along a beautiful coral reef. But as they explore their underwater playground, the fish begin to leave the group one by one. Some swim off to find new friends, while others simply wander away to explore hidden caves. Soon, the countdown leaves just one little fish all alone in the vast ocean. But he does not stay lonely for long! He meets a new friend, and before you know it, the ocean is full of life and joy all over again as a brand new family begins to grow. This bright and bouncy countdown story makes learning numbers a delightful adventure. Young readers will love the rhyming rhythm and colorful sea creatures while practicing their counting skills from one to ten and back again.