Usborne published a whole series of computer books in the 1980's, all them are now classic and collectable. This is one of the best, it tells you how to write a computer adventure game. Mainly for ZX81 and Sinclair Spectrums.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.