Foot, feet. Boot. . . beet? What are irregular plurals? You'll find the answer inside this book―full of ponies, teeth, potatoes, and geese! Brian P. Cleary's whimsical rhymes and Brian Gable's comical illustrations team up to give helpful guidelines for forming plurals when the usual rules of adding s or es don't apply. We've printed the irregular plural words in color for easy identification. Feet and Puppies, Thieves and Guppies: What are Irregular Plurals? turns traditional spelling lessons on end. Read it aloud and share in the delight of the sense―and nonsense―of words. "Crazy costumes, silly glasses, and comical expressions keep the mood as light as the author's bouncy narration.... This volume is a great addition to classroom and library collections." -- School Library Journal "While consistently centered on communicating grammar with wit and precision, Cleary juggles meter and rhyme with seemingly effortless skill. Meanwhile, Gable's colorful and frequently zany illustrations support the text with humor and intriguing details. A surprisingly enjoyable introduction to plurals." -- Booklist Brian P. Cleary is an American humorist, poet, and author. He is best known for his books written for grade-school children that explore grammar, math and poetry in humorous ways. In his role in the digital division of American Greetings, he's put words in the mouths of Dolly Parton, Christina Aguilera, William Shatner, Meghan Trainor and more. The multi-million selling author has performed poetry workshops in 500 elementary schools across the county. He lives in Cleveland, Ohio. Brian Gable is the illustrator of many of the best-selling Words Are CATegorical® books, as well as the Math Is CATegorical® series. Mr. Gable lives in Toronto, Canada.