Top 15 spiritually influential books of the past 80 years

Books have been changing hearts and minds since the first written words were given form. With the invention of the printing press, books were able to reach the masses and from there, the world has used books for teaching and learning and sharing knowledge, experiences and insight. Whether read as a traditional book or on a modern-day e-reader, spiritual insight continues to be a popular theme among people looking to a higher wisdom for guidance and assurance.