This just in, from PBS’ Off Book series.
10 PRINT is a book about a one-line Commodore 64 BASIC program, published in November 2012. Book purchases support the nonprofit organizations PLAYPOWER (to which all royalties are being donated) and The MIT Press, the book’s publisher.
Read the book as a pdf (50 MB), provided under a Creative Commons BY-NC-SA 3.0 license.
Read a review from Slate Magazine.