Progressive Waveline is an audio book of 65 sentiments that helps and benefits listeners, who are looking for a deep insight to resolving underlying issues within themselves and their environment. It also benefits individuals who are looking for different paths in their life's journey. It might also awaken some individuals who have lived their lives in limited ways, as Progressive Waveline book of sentiments might assist them in broadening their outlook in life. In summary the author and narrator Calleey Horizon shares with her audio book listeners some thoughts and other enlightening insights that could be applied in their daily lives.