Have you read The Very Hungry Caterpillar?

Neda Ulaby reports in PBS,

On average, every 30 seconds someone in the world buys a copy of The Very Hungry Caterpillar. Maybe it's for a grandchild, an expectant parent or a dear friend's new baby. Nearly 50 million copies have been sold since the classic picture book was first published in 1969, and it has been translated into over 62 languages.

It is having its 50th birthday party this year.
Read more here.