How many books has Laura Numeroff written?

I'd say 74:

- What Mommies/Daddies Do Best - What Aunts/Uncles Do Best - What Grandmas/Grandpas Do Best

- If You Give A Mouse A Cookie - If You Give A Pig A Pancake - If You Take A Mouse To The Movies - If You Give A Moose A Muffin - If You Take A Mouse To School - If You Give A Pig A Party - The Best Mouse Cookie

- Beatrice Doesn't Want To - Monster Munchies - Sometimes I Wonder If Poodles Like Noodles - The Chicken Sisters - Laura Numeroff's Ten Step Guide To Living With Your Monster - Dogs Don't Wear Sneakers - Chimps Don't Wear Glasses - Two For Stew