See all articles from Syntax/Syntax ZX80 v5 n9
Educational software from Peech II Productions; Invo-Star from Magic World Software; LOAN$ from Hybridion; ROMSwitch from Russell Electronics; T/S Grader; ZX Programmer’s Companion (book); Timex/Sinclair 2068 Intermediate/Advanced Guide (book); programs from I. Auersbacher; Pion Software; Textwriter.