Three-year-old Fenn Rosenthal’s viral song about love, longing, and loss has melted the hearts of tens of millions of people on Tiktok, Instagram, Spotify and even on the Jimmy Fallon Show. Now readers of all ages can enjoy Fenn's heartfelt, poignant lyrics again and again in this irresistible, sing-aloud picture book that includes exclusive extras! Dinosaurs eat people, dinosaurs have a party, dinosaurs eat fruit and cucumber, but dinosaurs didn't say goodbye! This sweet and deceptively simple story features all-new illustrations from Hannah Jacobs (the animator of the viral music video) that expand on Fenn’s lyrics and illuminate tender moments from these beloved dinosaurs’ journey. Also features an interview with Fenn as well as a bonus letter from her father and singer-songwriter, Tom Rosenthal.