John Boom, also known as Johnny B, is a prolific Australian singer, songwriter, and author. With a career spanning over 70 original music albums, thousands of videos, and more than 100 books in print, his creative output is vast. While now semi-retired, he continues to write songs for recording artists worldwide. Among his extensive body of work, John has produced over 100 Real World Therapy Colouring Books, covering a wide range of general interest topics. His most notable collection is the Adult Therapy Coloring Books, which he personally designed and produced. These books feature real-life images, and their pages can be photocopied for repeated use—making them a practical and cost-effective resource for long-term therapy and relaxation.