Instead of typing URLs or manually searching for audio tracks, users point their phone camera at any page in the Spectrum textbook.
: Short video segments (2 to 2.5 minutes each) accompanied by Viewer’s Guides and Teacher’s Guides to enhance visual learning. Instead of typing URLs or manually searching for
Many university and public libraries carry the Spectrum series. You can often borrow the books and the accompanying audio. Instead of typing URLs or manually searching for