Author Archives: Nancy


COVER REVEAL! What would you do if you turned on the faucet one day and nothing happened? What if you learned the water in your home was harmful to drink? Water is essential for life on this planet, but not every community has the safe, clean water it needs. In When the World Runs Dry, […]

Posted in News | Comments closed


Some of today’s most celebrated nonfiction writers for children share how their writing processes reflect their passions, personalities, beliefs, and experiences in the world. Editor Melissa Stewart offers a wide range of tips, tools, teaching strategies, and activity ideas to help students learn to craft rich, unique prose. I’m so happy to be a part […]

Posted in News | Comments closed

Latest Honor!

The California Reading Association has awarded THE FARM THAT FEEDS US a SILVER Eureka Nonfiction Award!

Posted in News | Comments closed


Where does our food come from? What role do farms play? What’s it like to be a farmer? In this book with beautiful illustrations from Ginnie Hsu, readers will follow a small-scale, organic farm throughout the year to discover how the farmer produces fresh, tasty food for us all in a sustainable and natural way. […]

Posted in Children's Nonfiction | Tagged , , , , , , , , , | Comments closed

Releasing in July!

Coming to bookshelves soon: THE FARM THAT FEEDS US  beautifully illustrated by Ginnie Hsu! Enjoy this reader’s guide for your class. Pre-order now and get an autographed book upon release  

Posted in News | Comments closed

DK Life Stories – ADA LOVELACE

Did you know that Ada was one of the first computer scientists? Or that at the age of 13 she illustrated plans for a flying machine? Packed with facts, photos, illustrations, and more, DK Life Stories – ADA LOVELACE – will take you beyond the basics to find out about this amazing STEM woman.

Posted in Children's Nonfiction | Comments closed

Now On Book Shelves!

I’m so excited about my STEM biography about Ada Lovelace. I hope you are too. She was an amazing mathematician who became the first computer programmer — BEFORE THERE WERE COMPUTERS! Read all about her life and early computer history. ADA LOVELACE  is available for sale now — just in time to celebrate ADA LOVELACE DAY! […]

Posted in News | Comments closed

BACK FROM THE BRINK Gets a Nerdie Award!

Thanks, Nerdy Book Club, for recognizing BACK FROM THE BRINK on the Long Form Nonfiction List this year! It is truly an honor to be included in such a wonderfully diverse award list. “At a moment in history when the Endangered Species Act is under siege, Back from the Brink kindles interest and commitment towards […]

Posted in News | Comments closed

Upcoming events!

It’s summer!  I’m noting a few upcoming events on my calendar.  In between, I’ll be researching and reading. Wishing you all sunshine and good books!    August 13 – Northshire Bookstore, Saratoga Springs, NY  August 14 – Springfield Museum, Springfield, MA September 29 –  Chappaqua Book Festival, Chappaqua, NY October 1 – Flint, MI October 6 […]

Posted in News | Tagged , , , , , | Comments closed

Back From The Brink: Saving Animals From Extinction

How could capturing the last wild California condors help save them? Why are some states planning to cull populations of the gray wolf, despite this species only recently making it off the endangered list? How did a decision made during the Civil War to use alligator skin for cheap boots nearly drive the animal to extinction?  Back from […]

Posted in Children's Nonfiction | Comments closed

Coming Soon!

I’m so excited to share early reviews for my upcoming book, BACK FROM THE BRINK: Saving Animals From Extinction. “[Castaldo] offers solid, meaningful suggestions for young readers […] including many, many learning opportunities: things to watch and read, organizations to investigate, websites and parks to explore. Challenging but important reading for the intended audience.”–Kirkus, STARRED […]

Posted in News | Tagged , , , , , , , , , , , , | Comments closed

Green Earth Book Award Winner!

So happy to share the news that THE STORY OF SEEDS has been selected by The Nature Generation the Green Earth Book Award winner in the Young Adult Nonfiction category!  My thanks to HMH and all of the scientists, farmers, and activists who let me share their stories in this important book!        […]

Posted in News | Tagged , , , , , , , , | Comments closed

Beastly Brains: Exploring How Animals Think, Talk, and Feel

In BEASTLY BRAINS, Castaldo delves into the minds of animals and explores animal empathy, communication, tool use, and social societies through interviews and historical anecdotes. Researchers from Charles Darwin to Jane Goodall have spent years analyzing the minds of animals, and today’s science is revolutionizing old theories and uncovering surprising similarities to our own minds. […]

Posted in Children's Nonfiction | Tagged , , , , , , , , , , , , , , , , , | Comments closed

In Stores Now!

* “This eye-opening, cogent, and well-structured volume will enlighten students to both the richness of the animal kingdom and the nature of intelligence itself.”— Booklist, STARRED review “Castaldo (The Story of Seeds) presents a thought-provoking look at the minds and perceptions of animals, as well as the way human understanding of the subject has evolved…”—Publishers […]

Posted in News | Tagged , , , , , , , | Comments closed


Posted in News | Comments closed

On The Stage at Helsinki

What fun to stand on the stage at Helsinki in Hudson, NY and chat about THE STORY OF SEEDS this week!  No, I was not doing some weird literary, science stand-up. I was speaking at the Columbia County Agricultural Brunch.  My thanks to the Chamber for hosting a wonderful event and to Kelly from Spotty […]

Posted in News | Comments closed

A Star from Booklist!

* The Story of Seeds: From Mendel’s Garden to Your Plate, and How There’s More of Less to Eat around the World.Description: Feb 2016. 144 p. HMH, hardcover, $17.99. (9780544320239 Just like a seed, this deceptively small book is packed with potent life. While the requisite overview of seed biology is included, Castaldo’s discussion of how […]

Posted in News | Tagged , , , , , , , , , , , | Comments closed

News and Notes

What a week!  I had a fantastic time at our annual Eastern NY SCBWI Falling Leaves retreat. We hosted five top notch editors who really brought their A-game! It was inspiring, creative, and relaxing.   We wrapped up the weekend with a group book signing at the wonderful Northshire Bookstore in Saratoga Springs.  I spent […]

Posted in News | Comments closed

The Story of Seeds

    Something as small as a seed can have a worldwide impact. Did you know there are top-secret seed vaults hidden throughout the world? And once a seed disappears, that’s it—it’s gone forever? With the growth of genetically modified foods, the use of many seeds is dwindling—of 80,000 edible plants, only about 150 are […]

Posted in Children's Nonfiction | Tagged , , , , , , , , , , , , , , , | Comments closed

The Race Around the World

Do you have what it takes to race around the world? When Nellie Bly read Around the World in Eighty Days by Jules Verne, she had an amazing idea. What if she traveled around the world in real life, and did it in less than eighty days? In 1889, people doubted it could be done […]

Posted in Children's Nonfiction | Tagged , , , , | Comments closed

This or That 3

Would you rather… Be careful what you pick. This book is full of silly scenarios and gross choices.

Posted in Activity Books | Comments closed

Mission Polar Bear Rescue

Meet the awesome wild polar bear. Mission: Polar Bear Rescue is full of fun facts, field reports, and hands-on rescue activities and challenges.

Posted in Activity Books, Children's Nonfiction | Tagged , , | Comments closed

Race Around The World

I’m so happy to share with you the cover of my new book on Nellie Bly. It will be released early in August – perfect for the start of the new school year. Race Around the World is part of The Totally True Adventure Series and is written for 2nd and 3rd grade readers. I […]

Posted in News | Tagged , , | Comments closed

Authors for Earth Day School Visit

  Calling All Librarians, Media Specialists and Teachers: Would you like to host a special author event at your school? To promote the importance of our Earth, I’m offering one unique author visit this year. As a participant in Authors for Earth Day , I will be donating 50% of my day’s speaking fee to […]

Posted in News | Tagged , , | Comments closed

Sniffer Dogs…Coming In One Week !!!!

Sniffer Dogs: How Dogs (and Their Noses) Save the World will be out in just under a month. I’m so excited! Kirkus has given it a starred review. Check out the trailer. …and a guide for teachers  in implementing Common Core State Standards with Sniffer Dogs   Come celebrate with me at Oblong Books & Music […]

Posted in News | Tagged | Comments closed

Recycle This Book

Recycle This Book 100 Top Children’s Authors Tell You How to Go Green With essays from renowned children’s book authors, including Nancy Castaldo, each piece is an informative and inspiring call to kids of all ages to understand what’s happening to the environment, and to take action in saving our world. Helpful tips and facts […]

Posted in Activity Books | Comments closed

Research in Russia

I love research!  Having the opportunity to immerse myself in something that interests me is a gift.  It’s also fun when research takes you to places you would never see otherwise. My latest book project took me to St. Petersburg, Russia in the dead of winter.  Talk about exciting!  Having grown up during the Cold […]

Posted in News | Tagged | Comments closed

Sniffer Dogs: How Dogs (And Their Noses) Save the World

                Anyone who has ever spent time with a dog knows that dogs love sniffing! They sniff out hidden food, dirty socks, and the visitor who comes to the door.  But some dogs work with police officers, soldiers, and even scientists to put their “sniffers” to work.  Sniffer dogs […]

Posted in Children's Nonfiction | Tagged , , , , , , , | Comments closed

What Shall I Put In The Hole That I Dig?

It’s funny how passions have a way of coming around full circle. Some start very early and find their way back into your life.   I’m pleased to announce that my THE STORY OF SEEDS, an investigative call to action that invites young readers to understand where their food comes from, why seeds are in […]

Posted in News | Tagged , , | Comments closed

Teachers Write Q&A Wednesday

I’ve been having fun today as a guest author, along with David Lubar and Phil Bildner,  at Kate Messner’s Teachers Write.  It’s wonderful to connect with writers.  There have been some fun conversations. The day isn’t over yet, so please stop by and join in the discussion!

Posted in News | Tagged , | Comments closed