The Book That Proves Time Travel Happens

The Book That Proves Time Travel Happens follows three non-white friends Ambrose Brody, his best friend Tom, and the carnival girl Frankie who are sent back to 1852 Freedom Falls, Ohio when they accidentally activate a family heirloom, a mysterious trombone. In the historically perilous setting of 1852, the children must evade the dangers of the era while searching for a way to return to their own time. Their quest requires them to decode messages in Morse code and use an ancient divination technique to unlock the heirloom's power and get home.