"Happy Thoughts: Going to the Beach" is a heartwarming story about Emma, a young girl with autism, and her summer adventure with her best friends, Harper and Jerry. Throughout their day at the beach, the three friends enjoy typical beach activities like making a sandcastle and playing in the water. The story addresses the social issue of hand-holding and the fear of running towards the water. This is shown through certain adaptations made for Emma's comfort, such as holding hands loosely. Also, Harper and Jerry use her special cards to communicate and ensure her safety, showing empathy and understanding of her needs. The story emphasizes the importance of patience and adaptability in friendships, especially when one friend has special needs.