Book excerpt: Filled with stunning images and age-appropriate content, students will learn about optical devices with 'Let's Magnify!', a pivotal guide for the US STEM curriculum aimed at Grades 6-8. This exploration uncovers the principles behind magnifying glasses, microscopes, telescopes, cameras, and lasers, showcasing how light manipulates our perception of the universe. From the basics of magnification to the intricate workings of ray diagrams, this book is a must-have for educators, homeschooling parents, and librarians eager to enlighten young minds on the science of seeing.