A linear approach for 4-, 5- and 6- string bass by Gary Willis. A comprehensive source for learning the theory and geometry of the bass fingerboard.
| Arrangement | Bass Guitar(with Chord Symbols) |
| Format | Instrumental Tutor |
| Level | 3 |
| NumberOfPages | 72 |
| Media | CD, Sheet Music |
| Series | Bass Builders |
| Publisher | Hal Leonard, Hal Leonard Europe |
| Language | English |
| ISBN | 9780793560431 |
| UPC | 0073999950434 |