“Many animals and plants live and grow in rivers. This book looks at how they need each other to survive.” (p. 5) Basic ‘food chain’ vocabulary and information is given throughout this book in large font, where there is more picture than text per page (usually  60% /40%). Vocabulary includes: producers, consumers, herbivore, carnivore, omnivore, predators, prey, scavenger, decomposer, and food web.

One aspect where this book is different is that it gives examples of river food chains from three different rivers each on a different continent. A photo of the river is given on the left page with descriptive text information opposite the right page with its four smaller photos linking the plant and animals in the food chain together with arrows. The rivers include the Amazon River in South America, the Severn River in Europe, and the Limpopo River in Asia. The concept of ‘food web’ is then described and pictured for an unnamed North American river.