Fear not the brief absence: London on the Cheap now comes to you on Thursdays, so you'll be freshly equipped for the weekend. Let's do this thing. Friday: The Little Angel Theatre, Islington's home of miniature performance with some strings attached, continues their run of Sleeping Beauty with 50-year-old marionettes and Tchaikovsky on the mini-harpsichord. If you can make it to the 5:00 performance on a Friday, tickets are only £5. Saturday: Do you......