There are 47 books with no duplicates.
$100 + $20 shipping (U.S.A. only) for all of them.
If you are near Harrisburg PA you can pick them up and save the shipping cost.
Any questions please ask.
Discussion forums for users of the Sinclair 8-bit range of computers - ZX80, ZX81, ZX Spectrum, Z88, clones...
About the ZX80 / ZX81