Step one:  Log onto the website by clicking the button on the left that says, "On-Line Textbook".

Step two:   Your username is the same as your Zephyr Apps email address:

Step three:  Your password is your 6 digit student ID number followed by the word Science (with a capital S)
                            For example: 222666Science

Step four:  Click on the textbook and get started.  Good luck!!