The Cell A Molecular Approach. 2nd Edition. Pdf ((free))

The companion website (accessible via a QR code in the textbook) offers:

By the time the was published, the text had refined its approach based on user feedback. It solidified its reputation for blending experimental approaches with factual content. Unlike many texts that present biology as a collection of facts, Cooper’s approach emphasizes how we know what we know. This experimental perspective is crucial for students transitioning from rote memorization to scientific inquiry. the cell a molecular approach. 2nd edition. pdf

Searching for will lead you to various results—some legal, many not. Here are responsible options: The companion website (accessible via a QR code