The Best of Singing grades 4 - 5 (Low Voice-Pi.)
It's never too late to Sing Songbook
It's never too late to Sing Christmas
The Language of Folk Vol.1 (20 Folksongs from around the British Isles with background notes and practical tips)
The Language of Folk Vol.2 (16 Folk Songs from around the British Isles with background notes & practice tips) (interm.-adv.
You're the Voice