He crossed the living room and studied the desk. The files gave nothing away. No sign of the ‘big story’ Kemp was working on. The computer disks were marked numerically – no clues there. Nothing interesting in the open drawer of the filing cabinet. He turned back to the desk. No scribbled sheets of notes had been tucked beneath other, blank sheets. He flipped through the pile of LPs beside the stereo, but no sheets had been hidden there either. Under the sofa . . . no. Cupboards . . . drawers . . . no. Bugger it. He went to the great iron range. Tucked away at the back, behind three or four pot plants, sat an ugly-looking trophy, Kemp’s Young Journalist of the Year Prize. Along the front of the range sat the row of ornamental boxes. He opened one. It contained a CND badge and a pair of ANC earrings. In another box was a ‘Free Nelson Mandela’ badge and a ring which looked to be carved out of ivory. The girlfriend’s stuff, obviously. And in the third box . . . a tiny cellophane package of dope. He smiled. Hardly enough to run someone in for, half a quarter at most. Was this what Kemp had been so eager to conceal? Well, Rebus supposed a conviction wouldn’t do the ‘campaigning journalist’ tag much good. Difficult to chastise public figures for their small vices when you’d been done for possession.

Bugger it. And on top of everything, he’d now to get out of the flat without being seen or heard. The taps had stopped running. No noise to cover his retreat . . . He crouched by the range and considered. The bold as brass approach might be best. Just go marching past saying something about having left behind your keys . . . Aye, sure, Kemp would fall for that. Might as well put five bar on Cowdenbeath for the league and cup double.

He found that, as he thought, he was staring at the range’s small oven, or rather at the closed door of that oven. A spider-plant sat above it, with two of its fronds trapped in the door. Dear me, he couldn’t have that, could he? So he pulled open the door, releasing the leaves. Sitting in the oven itself were some books. Old hardbacks. He lifted one and examined its spine.

John Knox on predestination. Well, wasn’t that a coincidence.

The bathroom door flew in.

‘Christ’s sake!’ Chris Kemp, who had been lying with his head floating on the surface of the water, now shot up. Rebus marched over to the toilet, lowered its lid, and made himself comfortable.

‘Carry on, Chris. Don’t mind me. Just thought I might borrow a few of your books.’ He slapped the pile he was holding. They were resting on his knees, all seven of them. ‘I like a good read.’

Kemp actually blushed. ‘Where’s your search warrant?’

Rebus looked stunned. ‘Search warrant? Why should I need a search warrant? I’m just borrowing a few books, that’s all. Thought I might show them to my old friend Professor Costello. You know Professor Costello, don’t you? Only this stuff’s right up his street. No reason why you should mind me borrowing them . . . is there? If you like, I’ll go get that search warrant and –’