The black and white scanned cover of an old software manual. The upper half features the title, BBN-LISP: TENEX Reference Manual, and publisher, Bolt Beranek and Newman Inc, with BBN-LISP in a large, hollow, serif font that takes up most of the space. The lower half has four rows of alternating series of left and right parentheses in a large font, with one opening or closing square bracket in a hollow font in each of the rows.