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Protons and Neutrons
Protons and Neutrons /
Los protones y los neutrones

These exciting science explorations are coming soon in paperback!

Coming September 2021!

32 pages • Size: 8 x 8"• $12.95

Grades: 0–2 • Ages: 2–7

Protons and Neutrons


Paperback ISBN: 978-1-938492-45-7

eBook ($11.99) ISBN: 978-1-945779-06-0

Hardback ($14.95) ISBN: 978-1-945779-00-8

Board Book ($9.95) ISBN: 978-1-945779-03-9

Protons and Neutrons /

Los protones y los neutrones


Paperback ISBN: 978-1-938492-46-4

eBook ($11.99) ISBN: 978-1-938492-47-1


The story of subatomic particles as never told before... meet Pete the Proton and Ned the Neutron! This light-hearted, scientifically accurate book turns Chemistry 101 into a delightful tale of universal friendship. 


Spark scientific curiosity in kids of all ages! Learn about some of the most fundamental concepts in science BEFORE the social pressure and intimidation of formal schooling. Let your imagination roam while you and your kiddo ponder what’s it like to live inside an atom!

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About the Author


Mary Wissinger was born in Wisconsin where she spent most of her childhood singing, reading, and daydreaming. She dove into storytelling through acting, singing, and writing (and writing and writing!). A former teacher, she can now be found at her standing desk in St. Louis, MO, writing stories that inspire curiosity about the world and connection with others. She is the author of the entire Science Wide Open Series: Women in Biology, Women in Chemistry, and Women in Physics. To learn more about Mary, you can check out her website,

& the Illustrator

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Harriet Kim Anh Rodis began illustrating books at the age of seventeen and has been a part of several publications since. She dedicates her career to her dad, who has supported her and her love of books, and who has encouraged her to pursue illustration. She lives in the Philippines.

Shop the entire series!

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