"The Last Day of Summer" is a children's book written by G. Brian Karas. It tells the story of a young boy who enjoys the final day of summer before school starts again. The narrative captures the excitement and nostalgia of summer activities, such as playing outside and spending time with friends. As the day unfolds, the boy reflects on his favorite summer memories while also feeling a sense of sadness about the upcoming school year. The book beautifully illustrates the transition from carefree summer days to the responsibilities of school, making it relatable for young readers.