Search Omni to verify whether we own a print or e-book and use Interlibrary Loan / RACER to request books not held in the Brock Library. The Brock Campus Store lists textbooks for purchase. Email me to recommend a book to be acquired for our Library.
Search for government documents, reports and papers using Google searching e.g. allintitle:"polar bears" filetype:PDF
Increasingly, open textbooks are being created and published for university communities:
Biology (BC Open Textbooks)
Biology (Open Textbook Library)
Biology (ecampus Ontario)