Agatha Oddly

‘Her own island,’ I murmur. I picture the tiny plot of land in the Serpentine, to which I’ve rowed from time to time, and wonder how big the MacDonald clan’s isle might be.

‘So where do you think we should start?’ he asks me.

I’m flattered that Arthur thinks enough of me to ask my opinion, when he’s clearly the more experienced agent. I do a mental run-through of important early procedures, from a book I’ve read five times: Complete Crime Scene Investigation Handbook. It tells you that one of the first things is to think of the obvious, and so I say, ‘Have you been to Sheila’s home yet, to search for clues?’

He shakes his head. ‘No. I haven’t really started yet.’

I draw Sheila’s photo close for a good look. She’s probably in her early fifties, dressed in a trouser suit, with one hand in her trouser pocket. With her glossy, blonde, shoulder-length hair, she has a vintage-film-star quality, like Greta Garbo or Rita Hayworth.

‘When was Sheila last seen?’ I ask him. ‘I mean, I know it was Friday night, but what time and where?’

‘At work. She got her coat at five thirty and said goodbye to all the staff. Apparently, she prides herself on knowing the names of all her colleagues, on both the art history and art maintenance sides.’

I like the sound of Sheila.

‘And did anyone witness her leaving through the main entrance?’

He consults his notebook. ‘No. The person on reception was busy with a tour group, so nobody actually saw her go.’

‘So she might have been kidnapped directly from the gallery.’

‘Or she might even still be there,’ he suggests. ‘Either hiding, for some reason, or tied up by an assailant.’

This sounds unlikely to me. ‘Surely someone would have come across her by now, if she was being kept hostage in the building.’

‘A good investigator doesn’t rule anything out,’ he says.

‘True. So we need to check the security cameras to make sure she did leave, and see what time it was.’

‘Good idea.’

I Change Channel and summon up a view of the National Gallery, with its roof removed, as if I’m floating above it. If I was Sheila Smith and I wanted to hide here, where would I go? And if I was her assailant, where would I put her, alive or dead?

It takes me a moment to realise Arthur is speaking to me. ‘Hello? Earth calling Agatha …’

‘Sorry!’

‘Where did you go?’ he asks.

I blush. ‘I just switched off this room inside my head and shone a light inside the gallery building.’

Most of the time, people look at me politely or with mild concern when I explain my Change-Channel mechanism. Not Arthur, though. ‘Oh – I do that!’ he says enthusiastically. ‘I call it Auto-Focusing!’

‘Changing Channel!’ I say. I catch his eye and we laugh.

‘I guess the Guild attracts a certain brand of weirdo,’ he says.

‘I prefer “maverick”,’ I say. ‘You know – someone who’s happy to do things their own way.’

He grins. ‘OK. Maverick it is. Let the investigation begin!’

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Arthur and I agree to start our search at the gallery. He calls ahead, to get clearance from Dr MacDonald for us to view the CCTV footage and speak to some of the attendants who were around on Friday.

‘So, does everyone who works there know she’s gone missing?’ I call to him as we cycle through the tunnel network towards Trafalgar Square. The wind’s strong in this section, causing my bike to make a strange whistling sound, as if it’s alive.

‘They should do. Dr MacDonald made a staff announcement. Tread a bit gently, though, in case anyone missed it.’

Above ground, I return my hired bike to one of the public racks close to Trafalgar Square, while Arthur chains his to a lamppost. Then we walk across Trafalgar Square, past Nelson’s Column and the four giant black lions on their pedestals, and stride up the steps to the gallery and through the revolving doors.

At the reception desk, a man in a National Gallery T-shirt is fielding enquiries and directing visitors to the various rooms and exhibits.

‘Hi,’ says Arthur, when it’s our turn. ‘We should be on your list to visit your security office.’

The receptionist only appears a little surprised to be confronted by a pair of school-age investigators. Dr MacDonald must have forewarned him. He consults a clipboard. ‘May I have your names?’ he asks politely. We hand over our fake ID badges.

‘Ah, yes – I’ve got you here. The security manager says you’re to go straight to the security office. It’s here,’ he opens a folded gallery map and draws a black ring round a room set in a distant part of the building. She’s let the security guard on duty know you’re to be helped with whatever you need.’ He hands us security passes. ‘These will get you through the doors.’

‘Thank you,’ we say politely.

Before we head off, I ask him, ‘Were you here on Friday, at around five thirty?’

He nods. ‘Why do you ask?’

I lower my voice. ‘You’ve heard about Sheila Smith?’

‘Yes – it’s very worrying. As I told Dr MacDonald, I was on the desk, but I didn’t see Sheila. She normally says goodbye, but on Friday afternoon I was tied up with a party of tourists. They were rather lively,’ he says ruefully.

‘Don’t worry,’ says Arthur. ‘It sounds like you had your hands full.’

‘We’re going to do everything we can to find her,’ I assure him.

He shoots me a doubtful look. ‘I don’t mean to be rude, but you do seem quite young …’

‘Oh,’ I say quickly, ‘don’t worry – we’ll report back to our manager.’

We move off, leaving him to deal with the queue that’s formed behind us.

We turn left, then right, before heading down a long corridor and through some staff doors that require us to scan our passes, and I realise that Arthur isn’t consulting the map – and he isn’t following me.

‘Do you know the way?’ I ask.

He looks slightly embarrassed. ‘Er … yeah. I have this ability …’

‘To remember routes you’ve only seen once?’

He stops short and turns to look at me. ‘You too?’ he asks.