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.

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 your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

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.

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 your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

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 your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!