Can Crocodiles Cry?
Amazing Answers to Mind-Blowing Questions
The sea is salty because minerals (including salts) wash down to the oceans through rocks and up through vents in the ocean floor. Icebergs, conversely, are made of fresh water from glaciers and compacted snow. This book reveals a host of such fascinating facts in answering hundreds of baffling questions about science, the world, the universe, the human body and the animal kingdom.
Flags of the World
From Afghanistan to Zimbabwe, this A–Z of nations and their flags contains basic information, a summary history and an example of each country’s postage stamps as well as the illustration and full description of its flag. The book also provides introductory sections on topics such as flag history, anatomy and styles; world maps; and illustrated lists of international organizations, sub-national flags, and alphabet and numeral signal flags.