There are so many more options than when he was writing BASIC programs on a ZX Spectrum. Choose something straightforward and stick with it. Python is about as simple as it gets. PLT Scheme is also a great option, it has a fully self-contained environment that includes much better graphics options than BASIC did, and is well-documented. There are lots of others - this post has some good discussion on a similar topic: http://stackoverflow.com/questions/950619/summer-holiday-pro...
