"Will delight those who prefer to revel in the vast mysteries of time and coincidence."--The Horn Book Magazine
"Touching, bittersweet ending."-VOYA: Voice of Youth Advocates
"The bond between Lottie and Kitty-proves to be both tender and unstoppable." -Booklist
"Superb. Months after first reading the book, I find myself reflecting on its characters and outcomes."--The Children's Book Review
"Shines in its portrayal of friendship... will appeal to fans of When You Reach Me and A Wrinkle in Time."-School Library Journal
"Once Was a Time has it all: suspense, humor, an intrepid heroine, and an intriguing take on time travel. But at its heart, Leila Sales's dazzling tale is about a friendship so powerful that nothing-not even time itself-can break its bonds. Unforgettable." -Katherine Applegate, Newbery Medal-winning author of The One and Only Ivan
"Lottie's fortitude and resolve make her an admirable and sympathetic protagonist."-Publishers Weekly
"At once epic and intimate, bold and gentle, and as boundary-breaking and timeless as the friendship that is at this story's magnificent heart. A gorgeous, exciting read." -Anne Ursu, author of the National Book Award-longlisted The Real Boy
"An imaginative and heartfelt tribute to the unbreakable ties of friendship."--Middle Shelf Magazine
"A very beautiful story about the power of friendship."--India Winslow, children's bookseller, Brookline Booksmith