Mystery Reader - The Missing MooThe author reads in a fun, interesting video ('TikTok' style) to keep students interested. The author created this for a local elementary school in his community. The reception by teachers and students was overwhelming. The video is only 5 minutes long. And the video ends with a question: who dun it... QR code in flyer: one leads to free chapters to read online, and the other to order a copy of the book on Amazon. (* ages 9 to 12 )