Take time to brainstorm potential keywords on your topic before searching. Try using multiple keywords when you search to expand or narrow your searches.
If I wanted to find books about urban farming then I could use the following searches to find different books on my topic:
Searching with AND narrows my search and makes it more specific, so in this case I'd get results that focus on the sustainability aspects of urban farming.
Searching with OR expands my search, so in this case I'd get results that use either "urban farming" or "urban agriculture."
Searching with NOT helps me exclude things that I don't want in my results.
Books about landscape architecture will have call numbers beginning with SB (specifically SB 469 - SB 486). Browsing through these books on the upper level of the library can be a great way to find books on your topic.
Below is a list of potentially helpful books for this course -- keep in mind this is not a complete or comprehensive list, just a sample of what the library has to offer!