Hannah Grace is from Pembroke, Ontario. Hannah loves to spend her spare time in the kitchen, baking all sorts of delicious treats. But her real love is for writing children's books. Her first book is called "The Popcorn Machine" and Hannah is currently working on her next story.

Illustrator Jessica McKenzie is from Pembroke, Ontario. When she isn't sampling Hannah's delicious baked goods, Jessica enjoys imagining and creating art. "Don't Forget to Measure" is the first book that Jessica has illustrated.