"Vividly describes the thrill of being surrounded by amazing marine creatures." - Booklist
"Newbery medalist Park combines a relatable heroine with accessibly written information about how climate change threatens the ocean." - Washington Post
"Using high-energy prose and high-stakes plotting, Park delivers a splashy tale ferried by an undercurrent of compromise, climate activism, and earnest love for the natural world." - Publishers Weekly
"Park writes the irritations and messiness of siblinghood beautifully, and Gracie's willingness to humbly learn how to expand her zeal for snorkeling into action is a breath of fresh sea air."
- Bulletin of the Center for Children's Books
"The book's climax delivers, with genuine but age-appropriate danger and heroism." - Horn Book Magazine
"A must-purchase tale of conservation and coming of age for children and adults." - School Library Journal
