Anatomy of Beasts (An Anatomy of Beasts)

Astronuts Mission One: The Plant Planet

Beast of Cretacea

Beyond Jupiter The Story of Planetary Astronomer Heidi Hammel (Women's Adventures in Science)

Birthday on Mars

Cerulean Book 1

Cerulean Novel Book 2: The Alcazar

Cleopatra in Space, #2: The Thief and the Sword

Cleopatra in Space, #4: The Golden Lion

Curiosity: The Story of a Mars Rover

Destination Mars

Earth Verse: Haiku From the Ground Up

Forgetting, Book 2: The Knowing (The Forgetting, Book 2)

Galaxies Galaxies

George's Secret Key, Book 1: George's Secret Key to the Universe

George's Secret Key, Book 6: George and the Ship of Time

Girl Who Named Pluto: The Story of Venetia Burney (The Girl Who Named Pluto: The Story of Venetia Burney) (coming May 2019)

Goddess in the Machine

Heal the Earth

Here We Are: Notes For Living On Planet Earth