Mysterious Things

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1st grade
2nd grade
A01=Andy J. Pizza
A01=Sophie Miller
ages 5-8
andy j pizza
Author_Andy J. Pizza
Author_Sophie Miller
big feelings
Category=YNN
Category=YNTD
children's books
classroom
curiosity
dark matter
discovery
dreams
emotional intelligence
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eq_childrens
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eq_isMigrated=2
eq_nobargain
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experiments
forthcoming
fun
funny
illustrated
invisible things book
kindergarten
learning
math
mental health for kids
mysteries
ocean
reading
science
series
STEM
teacher
universe

Product details

  • ISBN 9781797239880
  • Dimensions: 229 x 279mm
  • Publication Date: 23 Jul 2026
  • Publisher: Chronicle Books
  • Publication City/Country: US
  • Product Form: Hardback
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From the creators of the New York Times bestseller Invisible Things, this entertaining exploration of invisible mysteries is a mind-tickling, STEM-friendly invitation to explore the unseen world.



The universe is full of Mysterious Things—lost things, forgotten things, things we don’t know, and even things we don’t know we don’t know! In fact, you might say the world contains more questions than answers! Questions like:

  • What do dreams mean?
  • What is at the bottom of the ocean?
  • Where is that lost puzzle piece?

If you’re ready to begin unravelling these mysteries and more, grab your detective’s hat or slip into your lab coat and come along on an exciting journey to embrace the unknown.

Andy J. Pizza is the New York Times–bestselling coauthor of Invisible Things, the talent behind the popular podcast Creative Pep Talk, and the illustrator of several books, including A Pizza with Everything on It and A Sundae with Everything on It. Learn more at andyjpizza.com.

Sophie Miller is the New York Times–bestselling coauthor of Invisible Things and a mixed-media artist originally from Yorkshire, England. She likes to write, walk, garden, and visit the library with her kids. Learn more at sophiemiller.co.

Andy loves the mysteries of the human brain and learning about the universe. Sophie loves reading mystery books and looking for nature’s clues. They live in Columbus, Ohio, along with their three curious kids and two dogs.

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