It's in our shoes, cars, bikes, golf balls, clothing, kitchens…what would we do without rubber? Learn about where rubber comes from, how we use it, and how we depend on it more and more. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2767.

Skin: it covers us, we decorate it, it can tell us if we're healthy or not. Learn about our biggest and most visible organ, and how we can protect it. Use your unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2891.

What things do you want to do before you die? How can you make sure your life is never boring? Create a 'bucket list'! This reader explores the most exciting, unusual, and sometimes crazy ways to build this list. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2685.

When five friends set out to enjoy a carefree skiing trip over New Year's weekend, tragedy was the last thing on their minds. Despite being avid and experienced outdoorsmen, they are no match for Mother Nature. This reader tells the story of young people coping with tragedy and finding redemption. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2466.

Why have these slow, half-shelled creatures fascinated so many cultures around the world? Discover things you never knew about the history of the turtle. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2673.

Water has powered industry for ages, helping to drive industrial growth. However, the awesome power of water can have some very negative consequences. Floods, tsunamis, and erosion all threaten our partnership with water. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2479.