What kind of art existed in & prehistoric times?Which is the world’s oldest city? How does the Moon shine? Why does water dry out in puddles? What is sleepwalking? All these and many more strange questions answered in this specially illustrated book! The perfect book for eager young minds;helping them discover the fascinating world we live in. Dimensions:10 x 279 Author: Om Books Editorial Team ISBN: 9789381607398 Format: Pages 32