she had completed her chores and, sitting at the half of the kitchen table that wasn't taken up by the numerous empty coffee jars Dr. Burrows kept promising he'd do something with, had finished off her homework. Deciding it was time for bed, she picked up a pile of clean towels and went upstairs with them under her arm. Passing the bathroom, she hesitated as she happened to glance in. Will was kneeling on the floor, admiring his new finds and washing the soil off them using Dr. Burrows's toothbrush.
"Look at these!" he said proudly as he held up a small pouch made of rotten leather, which dripped dirty water everywhere. He proceeded to very gently pry open the fragile flap and lifted out a series of clay pipes. "You usually only find the odd piece... bits the farm laborers dropped. But just look at these. Not one of them is broken. Perfect as the day they were made... Think of it... all those years ago... the eighteenth century."
"Fascinating," Rebecca said, without the vaguest suggestion of any interest. Flicking back her hair contemptuously, she continued across the landing to the linen cupboard, where she put the towels, and then into her room, closing the door firmly behind her.
Will sighed and resumed the inspection of his finds for several minutes, then gathered them up in the mud-stained bathroom mat and carefully conveyed them to his bedroom. Here he thoughtfully arranged the pipes and the still-sopping leather pouch next to his many other treasures on the shelves that completely covered one wall of the room -- his museum, as he called it.
Will's bedroom was at the front of the house, Rebecca's at the back, and it must have been about two o'clock in the morning when he was woken by a sound. It came from the garden.
"A wheelbarrow?" he said, immediately identifying it as his eyes flicked open. "A loaded wheelbarrow?" He scrambled out of bed and went to the window. There, in the light of the half-moon, he could make out a shadowy form pushing a barrow down the path. He squinted, trying to see more.
"Dad!" he said to himself as he recognized his father's features and saw the glint of moonlight from his familiar specs. Mystified, Will watched as his father reached the end of the garden and passed through the gap in the hadge and then out onto the Common. Here, Will lost sight of him behind some trees.
"What is he up to?" Will muttered. Dr. Burrows had always kept strange hours because of his frequent catnaps in the museum, but this level of activity was unusually lively for him.
Will recalled how, earlier that year, he had helped his father excavate and lower the floor of the cellar by nearly three feet and then lay a new concrete floor to increase the headroom down there. Then, a month or so later, Dr. Burrows had had the bright idea of digging an exit from the cellar up to the garden and putting in a new door because, for some reason or other, he'd decided that he needed another means of entry to his sanctuary at the bottom of the house. As far as Will knew, the job had finished there, but his father could be unpredictable. Will felt a pang of resentment -- what was his father doing that meant he had to be so secretive, and why hadn't he asked Will to help him?
Still groggy with sleep and distracted by thoughts of his own underground projects, Will put it from his mind for the time being and returned to bed.
5
The next day after school, Will and Chester resumed their work at the excavation. Will was returning from dumping the spoils, his wheelbarrow stacked high with empty buckets as he trundled to the end of the tunnel where Chester was hacking away at the stone layer.
"How's it going?" Will asked him.
"It's not getting any easier, that's for sure," Chester replied, wiping the sweat from his forehead with a dirty sleeve and smearing dirt across his face in the process.
"Hang on, let me have a look. You take a break."
"OK."
Will shone his helmet lamp over the rock surface, the subtle browns and