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Nancy Castaldo

JR MORTIMER is a frequent writer for National Geographic Kids magazine. 

NANCY CASTALDO is a contributing writer for National Geographic kids books. 

MATT BELLACE, Ph.D., has been a youth motivational speaker and stand-up comedian since 1995. Dr. Bellace has a Ph.D. in clinical psychology (subspeciality in neuropsychology), is a member of the National Speakers Association and the author of the book, A Better High. His "How to Get High Naturally" program encourages over a hundred thousand students a year to make healthy choices. Matt was a recurring comedian on truTV's "World's Dumbest." His stand up can be heard - and requested - on Sirius XM's Comedy Channels.
National Geographic Kids Ultimate Food Atlas
DK Life Stories: Ada Lovelace; Helen Keller; Harriet Tubman
DK Life Stories: Ada Lovelace
The Race Around the World (Totally True Adventures)
This or That? 3
National Geographic Kids Mission: Polar Bear Rescue

Books

National Geographic Kids Ultimate Food Atlas
DK Life Stories: Ada Lovelace; Helen Keller; Harriet Tubman
DK Life Stories: Ada Lovelace
The Race Around the World (Totally True Adventures)
This or That? 3
National Geographic Kids Mission: Polar Bear Rescue

Books for Hispanic & Latine Heritage Month

This Hispanic & Latine Heritage Month (and beyond!), we’re celebrating authors, creators, and illustrators from the Hispanic and Latine community. Join us in uplifting their voices and stories by bringing them into your classroom. Find a full collection of Elementary School titles here.

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