Planning is the backbone of any successful start-up. But where do you begin? Try these three workbooks from the Oregon Small Business Development Center Network.

* Your Business Plan includes step-by-step instructions for preparing a business plan you can take to the bank. (A Spanish edition is available.)

* Small Business Marketing has a retail bent but is good for anyone just learning about topics such as media buying and advertising.

* Your International Business Plan outlines a method for expanding into overseas markets. Each title is available for $14.95 from OSBDCN, 99 West 10th Ave., Eugene OR 97401-3017; (503) 726-2250.