New Method for the Modern Bass Trombone, 4th edition
Single Valve in F (with E section)
New: Single Valve with Sliding E Extension
Double Valve in bE, Eb or D
Independent Double Valve (in line) in g-Eb and in Gb-D
The most complete book of its kind...It includes a very thorough discussion of the advantages, disadvantages and possibilities of various tunings and vlave setups (F,E, flat E, Eb, D and in-line in g-Eb and Gb-D). A must in every bass trombonist's library.