John Lettice About Roles Name : John Lettice Software Role Publisher Type Year Scrolling Example (Unknown) Longman Software Programming: General 1984 Book Role Introducing Your ZX Spectrum Author Turbocharge Your ZX Spectrum Author Manual de Programacao Avancada do ZX Spectrum Author Change Request You can request changes or additions here. You can upload files. All change requests are actioned as quickly as possible and you will be informed of the result. Details Files Your Name * Email * Details Your browser doesn't have Flash, Silverlight or HTML5 support. Submit Thank you for your change request. We will respond as soon as possible.