When the Barton window appears, type library at the "Login" prompt and press at the "Password:" prompt. Help screens are provided for each category of searches. Use arrow keys to highlight the category (for example, author a= ) and press for instructions. To get more help, pick up a User Guide in any library, or, for those with World Wide Web access, consult the guide at the URL: http://nimrod.mit.edu/common/advance.html Feel free to use OWL or to call a reference desk to ask questions about how the catalog works. Send problems to bug-library@mit.edu.