Instead:

A frank discussion about the Science 10 PDF requires acknowledging its distribution. Legally, the PDF is sold by Nelson Education (often for a reduced price compared to the $100+ hardcover, or included with a digital license purchased by the school). However, a significant number of students access the PDF through older siblings, shared school drives, or online repositories.

A free Canadian virtual high school textbook that uses immersive storytelling to teach science. Nature Labs Mr. Putnam's Site