To locate books on specific topics, search the Library Catalog. Begin with a keyword search (e.g. "child-resistant packaging," "package printing," "RFID and packaging"). You can use the filters to limit to only online resources.
In addition to the library catalog, the Knovel Life Sciences, Chemistry, Food Science & Metals/Metallurgy Collection contains fully searchable handbooks and reference works covering various aspects of packaging.
The Wiley Encyclopedia of Packaging Technology by 
Handbook of Paper and Paperboard Packaging Technology by 
Pharmaceutical Packaging Handbook by 
Plastic Films in Food Packaging by 