The Illinois Small Business Development Center at Joliet Junior College has posted links to a variety of handbooks on their website. These handbooks can help you develop a business or marketing plan, learn more about opening a franchise or provide information about specific industries. Several handbooks are available in Spanish as well. Click here to access the handbooks. If you have questions, contact ISBDC at JJC by phone: 815-280-1400 or email: email@example.com.