From writer Stacy McAnulty and illustrator Stevie Lewis, Moon! Earth's Best Friend is a light-hearted nonfiction picture book about the formation and history of the moon—told from the perspective of the moon itself. Meet Moon! She's more than just a rock—she’s Earth’s rock, her best friend she can always count on. Moon never turns her back on her friend (literally: she's always facing Earth with the same side!). These two will stick together forever. With characteristic humor and charm, Stacy McAnulty channels the voice of Moon in this next celestial "autobiography" in the Our Universe series. Rich with kid-friendly facts and beautifully brought to life by Stevie Lewis, this is an equally charming and irresistible companion to Earth! My First 4.54 Billion Years and Sun! One in a Billion.

From writer Stacy McAnulty and illustrator Stevie Lewis, Moon! Earth's Best Friend is a light-hearted nonfiction picture book about the formation and history of the moon—told from the perspective of the moon itself. Meet Moon! She's more than just a rock—she’s Earth’s rock, her best friend she can always count on. Moon never turns her back on her friend (literally: she's always facing Earth with the same side!). These two will stick together forever. With characteristic humor and charm, Stacy McAnulty channels the voice of Moon in this next celestial "autobiography" in the Our Universe series. Rich with kid-friendly facts and beautifully brought to life by Stevie Lewis, this is an equally charming and irresistible companion to Earth! My First 4.54 Billion Years and Sun! One in a Billion.

Bob, an astronaut and tour guide, longs for a pet and searches for one during a quiet day on Earth.

From the author of Earth! My First 4.54 Billion Years comes a new picture book about space— this time starring our Sun! Meet Sun: He's a star! And not just any star—he's one in a billion. He lights up our solar system and makes life possible. With characteristic humor and charm, Stacy McAnulty channels the voice of Sun in this next celestial "autobiography." Rich with kid-friendly facts and beautifully illustrated, Sun! One in a Billion is an equally charming and irresistible companion to Earth! My First 4.54 Billion Years.

From writer Stacy McAnulty and illustrator Stevie Lewis, Mars! Earthlings Welcome is a light-hearted nonfiction picture book about the red planet—told from the perspective of Mars himself... Meet Mars! The red planet. Planet Marvelous. Favorite sibling of Earth (or so he claims). Sometimes they're close (just 34.5 million miles apart). Sometimes they need space (250 million miles apart)! Earth and Mars have a lot in common—clouds, mountains, polar icecaps. And while Earth has Earthlings, Mars makes a persuasive case for why people should make the journey to spend time with him. His day is 7 minutes longer! He is home to the largest volcano in the whole solar system. He's, well, marvelous. With characteristic humor and charm, Stacy McAnulty channels the voice of Mars in this next celestial "autobiography" in the Our Universe series. Rich with kid-friendly facts and beautifully brought to life by Stevie Lewis, this is an equally charming and irresistible picture book.

Hot diggity dog! Meet Pluto! The runt of a litter of eight planets. Pluto may not be the biggest or fastest planet to revolve around the Sun, but it has a unique story to tell. From the tale of how it was found by humans to its naming as a dwarf planet, it’s Pluto’s turn to take the spotlight and properly re-introduce itself. With characteristic humor and charm, Stacy McAnulty channels the voice of Pluto in this next celestial "autobiography" in the Our Universe series. Rich with kid-friendly facts and beautifully brought to life by Stevie Lewis, this is an equally charming and irresistible companion to Earth! My First 4.54 Billion Years and Sun! One in a Billion.

Readers follow along as the moon shifts from new to full and back again, learning the words for each lunar phase and how the sun's light creates the moon shapes they see in the sky.