The range of books not aimed at a particular computer is growing. Several will prove useful to Sinclair owners.
Some Useful Basic Subroutines again is written by Ian Sinclair. He uses MicroSoft-type Basic and some of the routines will need re-writing to work on Sinclair machines. The book would be of great value to ZX-81 users, as it includes Basic routines for flashing, scrolling and centring titles, underlining titles and sorting data. From Newnes Microcomputer Books, it is good value at £4.95.