Published by Carl Fischer
Sigmund Hering Forty Progressive Etudes for Trumpet 
Difficulty: easy to intermediate

The twentieth century, Sigmund Hering's 40 Progressive Etudes is recognized as an essential method, containing forty etudes that are perfect for the trumpet. 

Ideal for intermediate students, the etudes are organized in a progressive manner, challenging students as they improve.
This revised edition contains MP3 recordings of all etudes performed by  Christopher Moore, Professor of trumpet at Florida State University.

The edition is part of the ABRSM syllabus (grade 3,4,5,6)