Hey there! So, you know how some kids might need extra help in school because of things like being deaf or visually impaired? The National Instructional Materials Accessibility Standard (NIMAS) is all about making sure that all kids can use and understand their school books and materials no matter what kind of challenges they might have.
Basically, NIMAS sets rules for how digital books (called "textbooks") should be made so that they can be read by special computer programs that help kids who have trouble reading or seeing things. These programs are called "assistive technology" and they can do things like read the text aloud or make the letters bigger on the screen for easier reading.
NIMAS also makes sure that the digital books have lots of descriptions and explanations that are really helpful for kids who might not be able to see pictures or diagrams in the book. So, it's like having someone who can explain everything to you and make sure you understand no matter what your challenges might be.
Overall, NIMAS helps to make sure that all kids can learn and understand the material in their school books, no matter their differences. Pretty cool, right?!