Janek Gwizdala

• Bass Player's Guide to Pentatonics
• Iconic Lines
• 10-Minute Manual
• 1: Bass Player's Guide to the Galaxy: Chordal Harmony: A comprehensive arc from beginner to expert (Volume 1)
• All the Better Stuff
• Bass Player's Guide to Looping
• Bass Player's Guide to Sight-Reading
• Bass Player's Guide to the Galaxy : Chordal Harmony
• Bass Player's Ultimate Chop Builder
• Bass Player's Warm-Up
• Chordal Harmony Vol 2
• From Practice to Performance