Let's go down to the river Down to the River is a fun way to learn the basis of river safety. Canoes, kayaks, tubes, and stand-up paddleboards are immense fun, but it is important to enjoy them responsibly. While this book is not a substitute for maps or guides, it will give you and your children a fun way to start the discussion of river safety. Grab your paddle, life jacket, and sunscreen. Let's hit the river