COLORS TO TOUCH - GREEN Each book in this series of nine touch & feel titles introduces young children to a specific color. This is a charming collection, available separately or in two 4-packs (Red, Yellow, Purple, Green,) (Blue, Black - White, Orange, Pink).COLORS TO TOUCH - GREEN Each book in this series of nine touch & feel titles introduces young children to a specific color. This is a charming collection, available separately or in two 4-packs (Red, Yellow, Purple, Green,) (Blue, Black - White, Orange, Pink).