★"[E]xquisite . . . Magnificent . . . [D]azzling. . . . [If You Come to Earth] is a book that can be shared with strangers, visitors, friends old and new—a work in which differences build to reveal an inclusive human family on a single, precious planet."
—Publishers Weekly, starred review

★"[V]ivid, delicate, and precise, Blackall composes intricate spreads that express the vast diversity of the planet. . . As a two-time Caldecott winner, [she] is deservedly celebrated, and here she pairs her accomplished artwork with a story children will want to read and a message that resonates. [If You Come to Earth] is one to take your time with, savor, and share with others."
—Booklist, starred review

★"The true delight of [If You Come to Earth] lies in its stunning illustrations. Each page features a dynamic, energetic composition, a wealth of precise detail arranged in unexpected ways. . . . Sweet, funny, moving, timely, and beautiful."
—Horn Book Magazine, starred review

★"[Sophie Blackall’s] signature Chinese ink and watercolor illustrations will draw children in for repeat readings to pore over each detail. . . Each page is well researched and inclusive, as Blackall depicts the many different people who live in the world. . . . With its gorgeous and intricate illustrations, [If You Come to Earth] is perfect for sharing.. ."
—School Library Journal, starred review

"To take care of one another and the Earth, we must truly see one another as unique and valued. . . . Throughout [If You Come to Earth], diverse people are distinctively, carefully portrayed, emphasizing representation and visibility. . . . Two-time Caldecott Medalist Blackall’s rich illustration invites return visits to investigate all the small, and big, details they contain. . . . An introduction to Earth for children big and small who live in this galaxy, or beyond."
—Kirkus Reviews

"It’s far and away the best work she’s done. . . . No detail escapes Blackall’s attention, though; close reading is richly rewarded. . . . Though its scope is expansive, If You Come to Earth feels, in the end, intimate."
—The New York Times

"[Q]uirky and beautiful. . . [E]nchanting and delicate. . . Warm and optimistic, 'If You Come to Earth' is so rich in image that some readings may consist entirely of poring over the pictures."
—The Wall Street Journal

"Beautifully illustrated, the pastel-toned drawings pull the reader into the story, while the engaging text displays the richness of our world, emphasizing its diversity. [If You Come to Earth] is a book that embraces an international audience with the message that the reader and everyone else is represented in our world and we all need to look after one another and our fascinating planet."
—San Francisco Book Review

"Blackall writes in honest, uncomplicated prose, her unpretentious statements all the more resonant for their frankness. She covers nearly every aspect of existence. . . . Blackall’s colorful, clever illustrations feel as though she has focused a giant microscope on the planet. You could spend hours poring over the details on every page. . . . [If You Come to Earth is] a sprawling, ambitious take on some of life’s biggest questions."
—BookPage