The Hyperion Historical Alliance (HHA)'s 2024-2025 Annual is the fifth in a series of publications featuring in-depth articles on Disney history-related subjects authored by members of this professional association. This edition's articles include: "Kansas City Camera: The Universal Model A #2388," an account of Walt Disney's first professional camera used early in his movie-making career; "The 'Donald Ducks' Polo Team Goes to Mexico," a look at the later adventures of Disney studio polo players who traveled to Mexico to compete after Walt Disney had retired from participating in matches; "Walt Disney and Les Gemeaux: The Story of Disney's French Sketchbook Project," an exploration of a short-lived collaboration between Disney and the famed French animation studio immediately following the end of World War II; "Beauty and the Director: The Marriage and Collaborative Artistry of Mary Costa and Frank Tashlin," a history of the personal and creative lives of Disney Legend Mary Costa and former Disney story artist-turned-director Frank Tashlin; "Celebrity Sports Center and the Path to Walt Disney World," a chronicling of how Disney's recreational Colorado project set the groundwork for the Florida Project.