a: 15
b:

Row by Row - Sew a Season, New England Quilt Supply
TT-Row-CD3123-Multi
TT-Row-CD3123-Multi
TT-Row-CD3125-Spring
TT-Row-CD3125-Spring
TT-Row-CD3126-Summer
TT-Row-CD3126-Summer
TT-Spin-CD5300-Apricot
TT-Spin-CD5300-Apricot
TT-Spin-CD5300-Breeze
TT-Spin-CD5300-Breeze
TT-Spin-CD5300-Butter
TT-Spin-CD5300-Butter
TT-Spin-CD5300-Carnation
TT-Spin-CD5300-Carnation
TT-Spin-CD5300-Carrot
TT-Spin-CD5300-Carrot
TT-Spin-CD5300-Cobalt
TT-Spin-CD5300-Cobalt
TT-Spin-CD5300-Gold
TT-Spin-CD5300-Gold
TT-Spin-CD5300-Lilac
TT-Spin-CD5300-Lilac
TT-Spin-CD5300-Moss
TT-Spin-CD5300-Moss
TT-Spin-CD5300-Orchid
TT-Spin-CD5300-Orchid
TT-Spin-CD5300-Peri
TT-Spin-CD5300-Peri
TT-Spin-CD5300-Pistachio
TT-Spin-CD5300-Pistachio
TT-Spin-CD5300-Rsapberry
TT-Spin-CD5300-Rsapberry