Why does rain make chocolate more expensive? How does music make people spend more? Where does gold grow on trees? Who tried to sell the Eiffel tower? Find these answers to these questions and many more in this book full of money facts from around the world, from ancient coins to cryptocurrency. Ideal for fact loving readers aged 8+. Each book in this best-selling, award-winning series presents 100 bite-sized topics, with bold, graphic illustrations and clear text. Perfect for dipping in and out of, and for sharing with family and friends. Discover all the titles in the 100 Things to Know About series: 1. 100 Things to Know About Planet Earth2. 100 Things to Know About Space3. 100 Things to Know About the Human Body4. 100 Things to Know About Science5. 100 Things to Know about the Unknown6. 100 Things to Know About the Oceans7. 100 Things to Know About Numbers, Computers & Coding8. 100 Things to Know About Saving the Planet9. 100 Things to Know about Sport10. 100 Things to Know About History11. 100 Things to Know about Money