The Story of the Commodore 64 in pixels_ has now been reduced to £14.99. The book covers the history of the computer as well as featuring articles on the SID music chip by Andrew Fisher; Tape Loaders by Martyn Carroll and cartridges by Mat Allen and comes in at 268 pages in length.

https://fusionretrobooks.com/products/the-story-of-the-commodore-64-in-pixels