About Nancy

About Me: 

Photo by Andrew A. Fusco

Books and writing have always been a part of my life.

Like so many authors, I kept diaries and journals. In fact, I still have them. Sometimes I read them to remember exactly how I felt when I was younger.

When I was in tenth grade I THE MOST WONDERFUL  English teacher, Miss Gilmartin.  She encouraged me to submit my writing to magazines and contests. Thanks to her, my first publishing credit was a poem published in Seventeen Magazine that year.

But, as you can see from the photo, I loved reading outdoors.  And when I wasn’t reading, I was searching for frogs, turtles, and salamanders, and climbing trees.

I brought my love of the outdoors to college with me where I completed majors in biology and chemistry. When I wasn’t in the laboratory experimenting with the chemical that makes fireflies light, I was outside doing fieldwork.

My passion for writing, photography and the environment all came together my senior year.  I served as president of the science club, editor of the college’s literary magazine, and was an intern at Audubon Magazine.  As you can tell, I was pretty busy.

After college, I worked as a contributing editor and freelance writer for several magazines and newspapers. As an environmental educator, I became Project Wild certified and led outdoor programming for adults and kids.  I also served on the board of my local Audubon Society and Girl Scout Council.

It was my editor at Family Fun Magazine who introduced me to my first book editor. The result was my first book, Sunny Days and Starry Nights.

I’ve loved working on all of my books. Research has brought me to faraway destinations and work with many, many scientists. Who knows where I will explore next?


Bio for Schools and Media:

Nancy Castaldo has written books about our planet for over 20 years.

Her 2016 title THE STORY OF SEEDS: From Mendel’s Garden to Your Plate, and How There’s More of Less To Eat Around The World introduces older readers to the importance of seeds, farming, and the crisis we currently face. It received the Green Earth Book Award and many other accolades.

Her latest is BACK FROM THE BRINK: Saving Animals from Extinction. Other books include SCBWI Crystal Kite recipients BEASTLY BRAINS: Exploring How Animals Think, Talk, and Feel and SNIFFER DOGS: How Dogs (and Their Noses) Save the World.

Her research has taken her all over the world from the Galapagos to Russia and she loves sharing her adventures with her readers. She has conducted programs at the Boston Children’s Museum, Atlanta Zoo, Tennessee Aquarium, among others and has spoken at the Science Teachers Association of New York State, NCTE, Texas Library Association, and New England Society of Children’s Book Writers & Illustrators.


Many of Nancy’s books have received recognitions, including:

  • American Bookseller Pick of the Lists
  •  Smithsonian Notable Book For Children
  • NSTA Outstanding Science Trade title
  • SCBWI Crystal Kite Awards
  • Green Earth Book Award
  • Junior Library Guild Selections
  • Sigurd F. Olsen honors for nature writing
  • Eureka Nonfiction Honor, CA Reading Association
  • Nerdy Book Club Award for Longform Nonfiction
  • Dorothy Canfield Fisher VT
  • Bank Street Best Books of the Year
  • Booklist Top 10 Sci-TechBooks for Youth, 2017
  •  Maine Cream of the Crop List
  • NYC Reads 365 – 5th Grade List

In addition to these accolades, she was honored to be the recipient of the 2007 New York State Outdoor Education Association’s Art and Literature Award for the body of her work. As a long-time environmental educator, she treasures this honor and hopes to empower more children with her books about the Earth.


  • Project Wild Certified
  • Certified National Geographic Educator
  • Project WET Trained (NSTA Approved)


  • NYS Outdoor Education Association, former newsletter editor
  • Society of Children’s Book Writers and Illustrators, Regional Advisor Emeritus
  • National Science Teachers Association
  • American Association for the Advancement of Science
  • Society of Environmental Journalists
  • Girl Scouts, Lifetime Member – former chapter Board Member, leader, trainer,




Represented by: Jennifer Laughran, Andrea Brown Literary Agency




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