Selected as 2021 Best STEM Books by the National Science Teachers Association (NSTA) and the Children’s Book Council!
Almost one hundred years ago, William Beebe
and Otis Barton crawled into a tiny submarine
to explore the depths of the sea. How did they come
to invent the Bathysphere? And what did they find there,
far below the ocean’s surface?



The first book in the new non-fiction series "Marvelous But True". A picture book about dreaming, daring, thinking, and doing.
For researchers ages 6 years and up.


Guided Reading Level O

Illustrated by: Joachim Sneyers