First up, the video that has certainly gone viral by this point is "The Joy of Books" which is a fantastic, stop-animated short featuring a book store and lively books.
Don't forget to watch the original inspiration for "The Joy of Books" which was "Organizing the Bookcase." (Both are magical).
Second, is one from our Twitter Feed (@ShelfAwareness) featuring a Rube Goldberg page turner (don't know what a Rube Goldberg is? Merriam-Webster's simple definition)