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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.
DK Life Stories: Ada Lovelace

Books

DK Life Stories: Ada Lovelace

Books for Black History Month

In honor of Black History Month this February, we are highlighting essential fiction and nonfiction for students, teachers, and parents to share and discuss this month and beyond. Join Penguin Random House Education in celebrating the contributions of Black authors and illustrators by exploring the titles here: BLACK HISTORY – MIDDLE SCHOOL BLACK HISTORY –

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