"A heart-tugging and mind-bending exploration of time and possibility." -- School Library Journal "A pleasure to read...full of heart and imagination." -- Kirkus Reviews "Zhang\'s story is filled with real-world lessons on compassion and kindness with a sci-fi twist--a skillfully rendered framing device for exploring deeper issues of loss, longing, and acceptance." -- Publishers Weekly "With unwavering hope and focus, and new friendships with unlikely peers, th. "A heart-tugging and mind-bending exploration of time and possibility." -- School Library Journal "A pleasure to read...full of heart and imagination." -- Kirkus Reviews "Zhang\'s story is filled with real-world lessons on compassion and kindness with a sci-fi twist--a skillfully rendered framing device for exploring deeper issues of loss, longing, and acceptance." -- Publishers Weekly "With unwavering hope and focus, and new friendships with unlikely peers, th