I would use this book in a history lesson in grade 3-6. This book is only pictures, but it teaches students to make inferences as to what might happen throughout the story. This story also includes dinosaurs and predicts what they might have been like in their time.

If I was to use this in a classroom it would be in grades 5-6. I would choose to only use this in older grades because of the intensity of the text and the upper level vocabulary. In a lesson I would use it for a whole group lesson to test on comprehension and vocabulary. If I wanted to teach a moral lesson, the story helps students see that you should be thankful for what you have right now because not all things are better on the other side.