I Discover: My First Library of Knowledge (Set of 12 Vols.) Hardcover Discover our world and beyond with 'I Discover: My first Library of Knowledge'. This beautifully illustrated multi-volume general knowledge series is the ideal complete first reference library for enquiring young minds. The 12 volume covers the following subjects: Vol. 1 - The Dinosaurs, Vol. 2 - Planet Earth, Vol. 3 - How Things Work, Vol. 4 - World of Animals, Vol. 5 - Stars and Planets, Vol. 6 - Living in the Past, Vol. 7 - Our World, Vol. 8 - Mini-Beast, Vol. 9 - The Oceans, Vol. 10 - Nature, Vol. 11 - Simple Science, Vol. 12 - Ancient Worlds. ISBN-13: 978-8182521933 - from Amzon