- Author: Fowler Martin, Beck Kent(Contributor), Roberts Don(Contributor), Gamma Erich(Foreword)
- Language: English
- Year: 1999
- Author: Gamma Erich, Beck Kent
- Language: English
- Year: 2003
- Author: Cohn Mike, Beck Kent(Foreword by)
- Language: English
- Year: 2004
- Author: Бек Кент (Beck Kent)
- Language: Русский
- Year: 2003
- Author: Бек Кент (Beck Kent)
- Language: Русский
- Year: 2003