Welcome to Patty Costello Books. I am glad that you are here.



I was inspired to write my first children's book, Catalina and the King's Wall, while attending the Women's March in January 2017 with my year-old son.

What is Catalina and the King's Wall about?

When Catalina the town baker overhears the king planning to build a wall, she fears her family won’t ever be able to visit. Catalina tricks the king into building walls that droop, drip, swirl, and swoosh away. But now the king demands an impenetrable wall. Luckily, Catalina has the perfect ingredients to bake up a family reunion! Through beautiful illustrations and enjoyable prose, kids learn how to stand by their convictions of inclusivity and kindness even when powerful people tell them not to.  


Foreword Reviews gave it five stars, saying "When a foolish king decides to build a wall to keep people from a neighboring kingdom away, his royal baker dreams up a delicious solution. Catalina is a lighthearted parody full of colorful confections. Innovative artwork in a riot of watercolor shades depicts the crafty baker as she whips up gobs of dough, gallons of icing, and miles of rainbow sprinkles, outsmarting the king just in time for a visit from her family one kingdom over."

The Midwest Book Review said: "Catalina and the King's Wall" is a delightful new/old tale about a creative solution to fear of differences. "In a not so faraway kingdom," Catalina was a skilled baker for the King who loved all her cookies. The King was childish and very whimsical, and difficult to please. He decided for no reason to build a wall between his kingdom and the nearby kingdom, which frightened Catalina, because her family lived there. Catalina decided to suggest to the King to have the wall built of her favorite icing. Of course, it melted when the rain came. When the king ordered a new wall to be built, Catalina suggested a wall built of her father's favorite sprinkles, (which blew away in the wind). Ordered to build another wall, Catalina came up with her best idea so far: A gigantic wall of cookie dough! This wall did not melt in the rain or blow away in the wind. But Catalina, knowing the king's weakness for her cookies, slyly suggested that he take a nibble of the wall. Because of his gluttony, the king could not stop himself until he had eaten every single bite of the giant cookie dough wall. He lay down and burped a giant burp, while Catalina happily met her family with hugs and a fresh batch of her favorite cookies, saying "That's the way the cookie crumbles!" Delicious, edible looking illustrations with sly images of little Russian nesting dolls decorate the pages of this modern fable of "Catalina and the King's Wall," a homily warning against greed and separatism that speaks to today's children and adults as well.

"There are many little ways to enlarge a child's world. Love of books is the best of all."

— Jacqueline Kennedy onassis

"Reading = Hope x Change"

Jacqueline Woodson, 2018 – 2019 National Ambassador for Young People’s Literature


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My Mission

To create books that inspire children to want to change the world, one step at a time.

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