Author: Hughes, Catherine D. Reading age: from c 3 yearsPublished on 23 April 2026 by HarperCollins Publishers (Collins) in the United Kingdom as part of 'the National Geographic Kids' series.Hardback | 128 pages255 x 257 x 15 | 766g The BIG fact book for LITTLE kids! Dive into Earth’s ocean with this delightful introduction to our watery world and some of its fascinating inhabitants. Discover more than 30 marine animals – from tiny corals to the largest animal on the planet: the blue whale. Inside you’ll find: Bright and bold illustrations and photographsSimple text for early readers, and fun facts on every pageQuestions to encourage interactive learningParent tips to support learningAnd much more! Collect the National Geographic Kids Little Kids First Big Books! DinosaursSpaceAnimalsOceanScienceWorldWhereWhyHow