Liddy Nevile

How BBC Turtles Talk Teachers'

How BBC Turtles Talk Teachers' Edition

1988

Let's Talk BBC Turtle Pupil's

Let's Talk BBC Turtle Pupil's Book

1988

Let's Talk BBC Turtle Teachers

Let's Talk BBC Turtle Teachers' and Parents' Edition

1988

How BBC turtles talk

1987

Let's talk Apple Turtle

Let's talk Apple Turtle

1984

Let's talk Commodore Turtle

Let's talk Commodore Turtle

1984