Meet scientist Maude Delap in this riveting STEM biography that details her biggest experiment—her observations of and research about jellyfish.

Maude scoops a jellyfish out of the water and embarks on more than a year of observation of the animal, accomplishing something countless other scientists were unable to do: trace the life cycle of a jellyfish and understand the creature’s metamorphosis from larva to adult.

Maude’s story must be told. Her painstaking observations of a compass jellyfish in 1899-1900 laid the foundation for research still ongoing today.
Michelle Cusolito is the author of A Window into the Ocean Twilight Zone: Twenty-Four Days of Science at Sea, Diving Deep: Using Machines to Explore the Ocean, and Flying Deep: Climb Inside Deep-Sea Submersible Alvin, which also won the 2016 PEN New England Susan P. Bloom Children's Book Discovery Award. She has worked as a fourth grade teacher, a curriculum specialist, and an adjunct professor. She lives in Rochester, Massachusetts.

Ellen Rooney is an illustrator, designer, and artist. She loves graphic shapes, textured colour, creating an atmosphere, and telling a story with pictures. She is the illustrator of The Astronomer Who Questioned Everything: The Story of Margaret Mitchell, The Heart of the Storm: A Biography of Sue Bird, and Her Fearless Run: Katharine Switzer's Historic Boston Marathon. https://ellenrooneydesign.com
  • AWARD | 2025
    Junior Library Guild Selection

About

Meet scientist Maude Delap in this riveting STEM biography that details her biggest experiment—her observations of and research about jellyfish.

Maude scoops a jellyfish out of the water and embarks on more than a year of observation of the animal, accomplishing something countless other scientists were unable to do: trace the life cycle of a jellyfish and understand the creature’s metamorphosis from larva to adult.

Maude’s story must be told. Her painstaking observations of a compass jellyfish in 1899-1900 laid the foundation for research still ongoing today.

Author

Michelle Cusolito is the author of A Window into the Ocean Twilight Zone: Twenty-Four Days of Science at Sea, Diving Deep: Using Machines to Explore the Ocean, and Flying Deep: Climb Inside Deep-Sea Submersible Alvin, which also won the 2016 PEN New England Susan P. Bloom Children's Book Discovery Award. She has worked as a fourth grade teacher, a curriculum specialist, and an adjunct professor. She lives in Rochester, Massachusetts.

Ellen Rooney is an illustrator, designer, and artist. She loves graphic shapes, textured colour, creating an atmosphere, and telling a story with pictures. She is the illustrator of The Astronomer Who Questioned Everything: The Story of Margaret Mitchell, The Heart of the Storm: A Biography of Sue Bird, and Her Fearless Run: Katharine Switzer's Historic Boston Marathon. https://ellenrooneydesign.com

Awards

  • AWARD | 2025
    Junior Library Guild Selection

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