When you search the CSM library catalog, you are also searching the library collections of Skyline College, Cañada College and all public libraries in San Mateo County (aka the Peninsula Library System).
Here are some books that might help you with the "how to" of writing an argumentative essay.
CSM has hundreds of books in the Opposing Viewpoints series on a wide range of current and controversial topics. Below are a few examples.
Also you should know that many of the essays featured in these books can also be found in the Opposing Viewpoints database (accessible online 24 / 7).