What if Oz sent a signal back Posted by on July 2, 2026 | Filed under: Bad Dad Jokes What if Oz sent a signal back Your next favorite book is already out. The Emerald Signal of Oz — available now on Amazon. Related posts:RAMarch 19, 2014Lucy - Christmas PageantDecember 13, 2010Frequencies Older Than the RainbowMay 29, 2026