Databases are searchable indexes of published sources. They bring together information from a variety of materials like journal articles, conference proceedings, newspapers, and magazines.
Start here for more general biology research. Look to the subdisciplines (left menu) for more specific databases.
Search these collections for biological sciences ebooks:
The USC Libraries hosts other research guides that may be helpful in your biological sciences research:
Popular titles are intended for general readership on a particular subject and are not peer reviewed or scholarly. Though, they can provide news on emerging trends and topics for further research.