Shawn Persinger, a.k.a. Prester John, has performed and taught guitar on five continents, in 36 countries, and hundreds of cities. His music has been described as a myriad of delightful musical paradoxes: complex but catchy; virtuosic yet affable; smart and whimsical. Readers and critics are hailing his latest book, The 50 Greatest Guitar Books, as a monumental achievement in music education. For more information, visit greatestguitarbooks.com.