Book excerpt: Every kid has heard their parents say it over and over again. "Make sure you drink plenty of water." But do you know why? Because if you don't you body will actually dry out! It's called dehydration. Every day you sweat some water out of you. You also loose some every time you go to the bathroom. So you have to drink lots of water every day to replace what you lose. Find out more about what dehydration can do to you in this short 15-minute book. Ages 8 and up. All measurements in American and metric. Educational Versions include activities to meet Common Core standards. LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.