David H. Ahl About Roles Name : David H. Ahl Book Role Timex Sinclair Idea Book, The Author 50 Eenvoudige Wiskunde Programma's Author BASIC Computer Games - Microcomputer Edition Author Big Computer Games Author More BASIC Computer Games Author Idea Book, Timex Sinclair 1000 Edition 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.