These books are the 2007 (grades 1 to 5) and 2009 (grades 6 to 8) editions.  There is an older edition of grades 6 to 8 valid until the end of November 2010, please ask if you require this book.

Theory of Music Workbook (Trinity Guildhall) Grade 1 £4.79	Theory of Music Workbook (Trinity Guildhall) Grade 2 £5.30
Theory of Music Workbook (Trinity Guildhall) Grade 3 £5.79	Theory of Music Workbook (Trinity Guildhall) Grade 4 £6.30
Theory of Music Workbook (Trinity Guildhall) Grade 5 £7.30	Theory of Music Workbook (Trinity Guildhall) Grade 6 £8.79
Theory of Music Workbook (Trinity Guildhall) Grade 7 £9.30	Theory of Music Workbook (Trinity Guildhall) Grade 8 £9.79