img_9794.jpg?fit=1500,2000&ssl=1。Computer & Technology Basics: What you need to know about Hardware。Sinclair ZX Spectrum: a visual compendium | Bitmap Books。MindTap for Andrews/Shelton/Schmelz/Jaqua's CompTIA A+ Guide to IT。Each book for ¥500. Bulk purchase for 10,000 all books