Mildred Grenough

title	ISBN-13	year of publication
English: Sing It!: Teacher's Book	978-0-07-024668-3	1976
Sing It	978-0-07-024709-3	1994
Sing It II: Learn English Through Song	978-0-07-024708-6	1994
Sing It: Sampler	978-0-07-024759-8	1996