Larry Pina is an author of five do-it-yourself repair manuals for Apple Macintosh computers and peripherals. His books, which are all out of print, include:

• Macintosh Repair & Upgrade Secrets , published in 1990 by Hayden Books
• Macintosh Printer Secrets , published in 1990 by Hayden Books
• Macintosh II Repair and Upgrade Secrets , published in 1991 by Brady Publishing
• The Dead Mac Scrolls , published in 1992 by Goldstein & Blair
• Mac Classic and SE Repair and Upgrade Secrets , published in 1993 by Peachpit Press

According to several of the books, Pina was living in Westport, Massachusetts when they were published, but he seems to have disappeared of late.