Bingly Ironhart was Manchester’s most enthusiastic ironmonger—enthusiasm measured, of course, by the number of squeaky hinges he polished before breakfast. Each morning, he burst through his shop doors at precisely 6:03 am (never 6:00, for dramatic flair), straightening rows of horseshoes like they were little silver soldiers. His apprentice, young Marmaduke, tip-toed in behind him, carrying a teetering stack of coil spri...