What is click clack moo cows that type summary?

"Click Clack Moo: Cows That Type" is a children's book written by Doreen Cronin and illustrated by Betsy Lewin. The story is about a group of cows that find an old typewriter and use it to communicate with their farmer. The cows type up a list of demands, including better living conditions and higher wages, and refuse to supply milk until their demands are met. Chaos ensues as the stubborn cows and the bewildered farmer negotiate with each other. The book explores themes such as communication, negotiation, and the power of collective action. It has won numerous awards, including the Caldecott Honor and the ALA Notable Book. The book has also been adapted into a play and an animated film.