Doreen Cronin and Betsy Lewin's Caldecott Honor-winning and New York Times bestselling classic picture book is celebrating its 25th anniversary with a brand-new edition featuring a sticker sheet! Click, clack, MOO. Click, clack, MOO. Clickety, clack, MOO. It's the typewriter heard 'round the world. When Farmer Brown's cows begin leaving him demanding notes, that's when his troubles start--and the animals' fun commence! Celebrate twenty-five years of barnyard shenanigans with this special anniversary edition of the story that started it all, Click, Clack, Moo--now with a bonus sticker sheet inside!