For the print version, look for the book on amazon in your country or on Lulu.com
Rather than an actual teaching method, we could call it a kind of "manual" for optimizing various studies, based on my experiences, both as a musician and as a teacher, to give you advice (and avoid unnecessary waste of time and various mistakes) to advance in level, and, why not, make music your profession. This book unfortunately will not be translated into other languages. The topics covered are:
Chapter 1: Instrumentation
-The bass guitar
-Amplifiers
-Headphones, transmitters etc.
-The strings
-The setup
-How many basses you need and choosing a bass for beginners
Chapter 2: The Sound (effects, pedalboards, etc.)
Chapter 3: The Versatility
Chapter 4: Study methods and daily schedule
Chapter 5: How to prepare for an audition?
Chapter 6: The importance of transcriptions
Chapter 7: The repertoire
Chapter 8: The live performance
Chapter 9: Recording in the studio (or at home!)
Chapter 10: Theory and Harmony - What you really need to know, how to study, and how to put it all into practice
-Basic Theory 
-Intervals
-Triads
-Chords in 4 and more voices
-Playing chords on the bass guitar
-Scales
Chapter 11: Timing
Chapter 12: Technique
-Posture, breathing, aches and pains
-Right hand (techniques, dynamics, accents, "staccato" etc.)
-Left hand (string skipping, coordination, shifting, etc.)
Chapter 13: Playing "too much" and consequences
Chapter 14: The importance of being able to read music (all the benefits)
Chapter 15: Composition - How to create a groove or bass line from scratch
Chapter 16: Playing a second instrument (tips and possible benefits)
Chapter 17: Understanding what modal music and modal scales are, and what they can be used for
-Modal scales (really understand them and know how to practice them)
-Musical modes (understand them and learn to hear the "color" of each with examples)
-Examples of melodies, songs etc. if they were written in a different mode