 His first text, "Introductory Circuit Analysis", first published in 1968, over 40 years ago, is now entering its 12th edition making it one of the most successful in the field.Translations include Spanish, French, Portuguese, Greek, Taiwanese and Korean.Their work "Electronic Devices and Circuit Theory" is a university level text that is currently in its 11th edition (April 30, 2012) and which was initially published in 1972.