Basic Fortran IV, by B. J. Dowding and C. B. Rogers. Pp vi, 90. £1·45. 1970 (Blackie) - Introduction to Fortran programming, by Heather M. Liddell and Anthony J. Powell. Pp vii, 154. £2. 1971 (Harrap) - Principles of Fortran programming, by Delos F. DeTar. Pp ix, 136. $4·95. 1971 (Addison-Wesley) - Basic Basic programming, by Anthony P. Peluso, Charles R. Bauer and Dalward J. Debruzzi. Pp xi, 274. £2·60. 1971 (Addison-Wesley) - Basic Cobol programming, by Laurel M. Spitzbarth. Pp 335. 1970 (Addison-Wesley)