You can download free PDF on the website www.oyla.usSpecial discounts for teachersOYLA is a popular science magazine for students and their families. We want our kids to know the history and many different languages, understand math and physics, conduct chemistry experiments and appreciate all forms of life on our planet.⠀We want our kids to learn how to think! ⠀Every day, there are new exciting discoveries, not to mention the wealth of knowledge already available to humankind! So when we see, h