Sorry, I meant to post the first time around but didn't immediately and forgot.

I actually contributed to the kickstarter of this as I did his earlier Ocean book and have again for volume 2 of this. It arrived last week but I haven't read it yet. I'm not actually particularily interested in the Spectrum, but it does have its place in history as many british developers started out on one. I think the Spectrum really only did well in the UK, but I may be wrong. I never knew anyone that had one back then here anyway.
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