From Macmillan’s Website:

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 Heidi - Goodreads

SUN! combines darling illustrations with a fun, informative text. Sun is, of course, telling his own story. He wants to make sure that the reader knows just how important he is. This would come across as obnoxious if he weren't so friendly looking in the illustrations. The information is blended beautifully with the story leaving the reader almost unaware he/she has learned anything. There is some additional information at the back of the book for readers who want to know more. This book would work well both at home and in a classroom. This book would make a fun introduction to a unit on the solar system and the sun's importance in it. The illustrations are large and attractive and cleverly done. A book both amusing and educational.

From Macmillan’s Website:

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 Publishers Weekly

In a companion to Sun! One in a Billion, an anthropomorphic Moon—rendered by Lewis as a friendly figure with doe eyes and a sweet smile—announces that it is BFF’s with Earth (an equally affable figure who shows its appreciation for Moon with a tender half hug). “We have been together since the beginning. Almost,” Moon begins. It describes how it came into existence (from a giant impact with “baby Earth”), explains the moon’s phases, and details the way that gravity “pulling on Earth’s oceans” causes the tides. Moon provides facts about itself and about various planets and their moons, while clearing up misconceptions and myths (it doesn’t go away during the day, and cows don’t jump over it). McAnulty conveys complex concepts in a gentle, clear manner that provides readers with a solid foundation for learning more about the galaxy. Ages 4–8. (June)

From Ben Truong - Goodreads

Moon! Earth's Best Friend is the third children's picture book in the Our Universe series written by Stacy McAnulty and illustrated by Stevie Lewis, which stars the Moon as an exuberant celestial body with black doe eyes and a sweet smile, who is happy to tell its life story as the best friends with Earth.

McAnulty's text is rather simplistic and straightforward. It is an anthropomorphic story about the Moon and its relations within the Earth – who is its best friend. Additional notes could be found at the back of the book. Lewis' mixed-media cartoons work in perfect sync with the narration to share the astronomical tidbits with panache.

The premise of the book is rather straightforward. The Moon describes how it came into existence, explains the moon's phases, and details the way that gravity causes tides on Earth. Moon provides facts about itself and about various planets and their moons, while clearing up misconceptions and myths. McAnulty conveys complex concepts in a gentle, clear manner that provides solid foundation for learning more about space.

All in all, Moon! Earth's Best Friend is a wonderful history and importance of the Moon, albeit cursory, and a wonderful continuation to a children’s book series that I look forward to reading.

From Macmillan’s Website:

From writer Stacy McAnulty comes Mars! Earthlings Welcome is a light-hearted nonfiction audiobook 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, this is an equally charming and irresistible audiobook.

From Kirkus Reviews:

With the same exuberance that propelled readers deep into her Ocean! Waves for All (2020), illustrated by David Litchfield, and its three predecessors in the Our Universe series, McAnulty looks to the next planet out for a fresh set of enticing natural wonders. Billing itself a “party planet” (“I want to be the FIRST planet with human guests”), the russet raconteur trumpets its unique attractions. These range from moons Deimos and Phobos (“I know Earth is totally jealous”) to Olympus Mons and Valles Marineris, which is “four times as deep as the Grand Canyon! And not nearly as crowded.” Sure, unlike Spirit, Opportunity, and other rovers, human visitors will have to pack their own water and oxygen in addition to traveling millions of miles…but given a few technological advances, soon enough it’ll be time to “get this party started!” Prospective tourists diverse of age and race are dancing already on Earth in a final scene in anticipation of a trip to our “reMARkable” neighbor. Quiz questions and a timeline cap an enticement that echoes Susanna Leonard Hill’s Mars’ First Friends: Come on Over, Rovers! (2020), illustrated by Elisa Paganelli, in its fizzy mix of fact and fancy. (This book was reviewed digitally with 10-by-20-inch double-page spreads viewed at 75% of actual size.)

Just the ticket for an armchair outing to the red planet. (sources)(Informational picture book. 6-8)