Suzanne Barchers 
Reducir, reutilizar, reciclar [PDF ebook] 

Learn more about graphs while protecting the environment by reducing, reusing, and recycling! Through this book, that has been translated into Spanish, young readers can practice their graphing and STEM skills by making bar graphs and pictographs of recyclable objects. Not only will children feel more confident in their graphing skills, but they will also be more environmentally conscious! Clear images, example graphs, and mathematical diagrams and charts make graphing seem simple and fun!