Comments on: Earth! My First 4.54 Billion Years is a delightful look at our planet https://www.crackingthecover.com/14237/earth-first-4-54-billion-years/ Picture, middle grade and young adult book reviews. Thu, 26 Oct 2017 19:55:42 +0000 hourly 1 https://wordpress.org/?v=6.4.1