Doreen Cronin and Betsy Lewins Caldecott Honorwinning book is celebrating its twenty-year anniversary with a brand-new edition featuring bonus content!

Click, clack, MOO.
Click, clack, MOO.
Clickety, clack, MOO.

It was the typewriter heard round the world. When Farmer Browns cows began leaving him notes, thats when his troubles startedand the animals fun commenced! Celebrate twenty years of barnyard shenanigans with this special anniversary edition of the story that started it all, Click, Clack, Moonow with a bonus poster in the inside cover!