The Upper Kuskokwim Athabascan Audio Storybooks can be listened by each sentence until it is learned. Colorful and engaging, these books were previously created by linguist Ray and Sally Jo Collins, the Iditarod Area School District, the Anchorage: National Bilingual Materials Development Center, the Alaska State Operated School System, with folklore and other storybooks translated by Betty Petruska. Storybooks are categorize by level of proficiency and can be downloaded in pdf formats for classroom and personal use.