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Join Otto the bulldog and his best friend, Dennis, as they travel back in time to the first Thanksgiving to learn why we celebrate the holiday with gratitude, generosity, and family. Otto’s Tales books are part of PragerU's educational initiative for students in kindergarten through 12th grade. These beautifully illustrated storybooks star young Dennis Prager and his sidekick—PragerU’s Otto the Bulldog mascot. Dennis and Otto go on exciting adventures and travel through time to learn important values through American holidays and traditions. This stylish series answers the needs of young families looking for fun, educational, pro-America content.