Rod and Staff English 6 Student book and Teacher’s Manual
This textbook is the latest edition, so all information is current.
1955 USAF Air University Communications Officer Course 3007 Book Set 8 Acoustics
A nice touch in this textbook is the chapter-opening vignettes that hook your interest.
Rod and Staff English 5, 6, & 7 – Total Of 9 Books
This textbook covers both theory and hands-on exercises in equal measure.
Rod and Staff English 6 LOT – Student book and Teacher’s Manual
A nice touch in this textbook is the online access code included with purchase.