(Essential Series) John Cowell BSc (Hons), MPhil, PhD (auth.)-Essential Delphi 3 fast _ Includes ActiveX Development-Springer-Verlag London (1998)

(Essential Series) John Cowell BSc(Hons), MPhil, PhD (auth.)-Essential Delphi 2.0 Fast _ How to Develop Applications in Delphi 2.0-Springer-Verlag London (1996)