In 2017 Penny Castle gave up her career as an executive coach and happiness consultant to care for her terminally ill son, Josh. Shortly before his death, Joshua, outlined the plot of a time travel adventure book he wanted to write. He didn't get the chance to complete his manuscript before his death in January 2018. Penny completed his story posthumously and Cure is planned to be released in August 2018. Penny is the author of the popular blog, http://www.mygardencrush.co.za. Her humorous, self-help memoir, Cultivating Happiness, is due for publication in late 2018.