The complete set of Spanish-English interpreter-training self-study materials includes a set of eight one hour cassette tapes, a book divided in three parts of texts for simultaneous and consecutive interpreting and sight translation. Includes introduction for Instructor's/Self Study notes containing comments and suggested translations.

In 2006, ACEBO came out with a completely revised and enlarged version in three volumes, called EDGE 21. Information can be found on this site by searching for the title EDGE 21. The Interpreter's Edge in its current form will still be avaialable for sale.