Step 1: Goto WebAssign.net
Step 2: Find "My eBooks" in the tool bar and click it.
Step 3: Click "Precalculus with Limits for High School - 4e" and it should load the ebook.
Right click on the lock near the website address.
Click “Site settings”
Scroll down until you find “Flash”:
Change from “Block (default)” to “Allow”.
Try reloading the e-book and it should load up this time.