How sad to see the last puzzle by Radix. Of course he treats us to a range of devices. We have just found the source with a great sigh of relief but still have lots of systematic calculation to...
A pretty easy solve, with clear advice coming from the extra letters. My preference is for a more formal style of invitation, but there I'm just old-fashioned. Not much else to say, really. Thank you,...
Searching this site hasn't found any other threads for this puzzle, so here goes! I thought this was the toughest puzzle for some time. It took me several hours last night before the penny finally...