go and investigate.â I shake the last chips out for the seagulls and fold up the paper before jamming it in my pocket.
âYou shouldnât do that, you know,â says Eric.
âWhat? Put chip paper in my pocket?â
âNo, give chips to the seagulls. It encourages them to raid bins, which can be a real problem, and besides, chips have no nutritional value. Theyâre not at all good for seabirds.â
âSo what are you supposed to feed them?â I say, picking up the chips and jamming them into my pocket too.
âIdeally, hard-boiled eggs and watercress.â
The castle courtyard is empty, except for a small workmanâs hut and a pile of hazard-warning vests. No oneâs even on duty in the ticket booth.
âAaaaarghghghghghghghgh, OW! OW! Blasted cat!â We jump as a strange voice wails across the courtyard.
âWeâre closer then,â says Jacob.
âDoesnât sound much like aliens,â I say. âSounds human.â
âYouâre right,â says Eric. âUnless aliens speak English.â
We stop and listen again.
âOooooooooooooh, I think Iâve broken my toe,â the voice wails.
âItâs definitely,â I say, âcoming from the entrance to the dungeons.â
We cross the courtyard and stand at the top of the stone steps that lead into the bowels of the castle.
Dungeons. Please be careful, it could be slippy
, says the handwritten sign. Itâs sunny and warm out here. Inside itâs black, and it smells of moss and earth and cold.
âRight,â says Eric, looking at me.
âYes,â says Jacob.
âOooooh,â calls the distant voice.
âWhatâs the plan?â I say.
âPerhaps we should get an ice cream before we go down,â says Jacob.
âGood idea,â says Eric. âLetâs get one from the café upstairs.â
Ten minutes later weâre standing in exactly the same place, but this time with ice-cream cones. Ice creams make you feel bolder, like youâve got a weapon. At the very least you could buy yourself a split second by jamming it in someoneâs face.
âOne, two, three  â¦Â go!â Actually, Jacob and I go and Eric follows a little later.
For the first couple of minutes, I canât see a thing, so I have to run my fingers down the damp walls. But gradually my eyes get used to it and I realise that there are occasional dim, moody lights set into alcoves over small snippets of information. I stop and read one out:
âThe Bywater-by-Sea Castle dungeon was used to imprison notorious pirate One-Footed Jack. His boot is said to haunt the corridors.
â
âGreat,â says Jacob. âBywater-by-Seaâs such a dump that itâs haunted by a boot.â
âBlast!â comes the voice from the tunnel.
âDid you hear that?â I say.
The other two donât answer, but we stand together, waiting in the gloom before inching forward again.
Eric stops by a dim red lamp and reads out another notice, extra cheerily:
âMad Angel was a redheaded smuggler who died in the cells, apparently unintentionally poisoned by her gaoler, Josephine Perks.
â He glances at me. âOne of your ancestors?â
I think about some of Grandmaâs less lovely cooking. âProbably.â
We venture on down the passage. My ice cream has nearly gone. If I met the voice now it wouldnât be much of a weapon.
Every now and again, Jacob lets off a spark, which crackles on the moss, but otherwise weâre silent.
Eric touches my arm and I stop.
Thereâs talking coming from down in the darkness in front of us â a man and a girl.
âBut you havenât got any bones,â says the girlâs voice. âYouâre a  â¦Â â Then thereâs a pause and she says, âThat isnât supposed to happen.â
âWho is that?â Eric whispers to me.
The hairs on the back of my