2 books in one! Explore the Periodic Table of Elements through an adventure story of 2 Hydrogen brothers who learn and become other elements. Real life and practical examples of everyday items are illustrated through cartoons. This book is designed as an introduction to the world of chemistry through the eyes of my 5 year old who is now 12. The first part of this book is intended for parents/teachers to read out loud with young children. Chemical nomenclature and practical examples of everyd