Things get more difficult from here on in - most of the nicely compact central stations with easy interchange onto other lines have been collected.  Will be much slower heading  down to Heathrow and up again.  Would also be nice to go see the crocuses and orchids at Kew Gardens while I'm out that way.

I had curry with friends when I was up in December, and we'd travelled there by a fairly bonkers route simply to take out the East London Line (which only has New Cross and Shoreditch to get).  Over forkfuls of rice and chicken I'd told my friend Simon about the project and he'd smiled politely thinking it all a big joke, until I got my book out and showed him the tippex map.  He then looked slightly worried about the state of my mental health.  He later told his wife Debbie, (who's a close friend of mine, in fact the two of the meet at a gothic-themed dinner party I held) who didn't believe him either until I showed her the tippex map...after boggling at the concept for a bit, she then noticed that White City is still free and she's just got a job at the Beeb and still on the Central Line to the East  is Bethnal Green where she  is putting together some programming for the Museum of Childhood...so we could do those two together, and then she suggested dressing up in top hats and going up to Harrow to scare schoolboys...all of a sudden I had a convert and willing conspiritor....the game's afoot.