Overview[]
Why Shouldn't You Suck Your Thumb? (Pourquoi est-ce qu'il ne faut pas sucer son pouce ? in French) is a short story about keeping clean and healthy in the I Grow Up with the Mr. Men and Little Miss series.
It was released in 1997 and then re-released in 2000.
Summary[]
You might not know it, but people have sucked on their thumb once in a while. Especially babies. But it's not a good thing to do. Mr. Forgetful remembers the reason why and will share it with you.