Books can be an excellent way to gain a broad understanding of the topic you are researching. Technology is often explained in full within a book, whereas a journal article tends to be narrower in scope, reporting on a specific experiment or set of results.
Searching in Summon is the most effective way to find books available through UBC Library. Over 2,600 titles are found by searching the phrase "aerospace engineering" - to make this search more specific, add additional keywords and use the filters provided. Here is a quick link to books published by AIAA.