'The Arabs then,' Aurelius intervened. 'Once the Nubians are dealt with we shall send a punitive expedition to deal with them. Harshly.' He gestured to the decurion. 'Cover them up. Take them to the legate's quarters. Have their personal effects removed for return to their families and then tell the surgeon's staff to prepare the bodies for cremation.'

'Yes, sir.' The decurion pulled the goatskin back over the corpses and climbed up on to the driver's bench. With a click of his tongue and a flick of the reins, he urged the mule team into a walk and the wagon rumbled out of the gate of the priests' quarters.

Aurelius watched the cart leave. The fingers of his left hand twitched momentarily before he turned to Cato and Macro with an anxious expression. 'That explains the legate's disappearance.'

It was an asinine thing to say and he winced at himself immediately. Cato could readily understand the shock that the death of the legate might cause his close subordinate.

'Did you know the legate well?'

Aurelius nodded. 'We have served together for the last eight years.'

'So long?' Macro looked surprised. 'Sorry, sir, it's just that I've never known a legate serve so long with one legion.'

'Yes, well, it's different here in Egypt,' the camp prefect responded tersely. 'Candidus was appointed by Emperor Tiberius at the end of his reign. The commanders of the Egyptian legions and the governor are appointed from the equestrian class. The senators are not permitted to hold high office here. For that matter, they're not even allowed to enter the province without the express permission of the Emperor. So the appointments tend to last much longer in Egypt.'

'What about you, sir? You can't have been camp prefect all that time.'

'No indeed. I've held the rank for the last three years. First spear centurion before that.'

Macro glanced at Cato, unable to conceal his shock. The senior centurion of the legion was traditionally its toughest, bravest and most experienced officer. The thin, dapper figure of Aurelius was adorned with a finely spun tunic and his cuirass was inlaid with swirls of gold and silver. But, unlike Macro and Cato, he did not have a leather harness to carry the medallions they had been awarded for displays of courage and battles won. In every other legion Macro had served in, the camp prefect and the first spear were seasoned fighters with swathes of awards on their chests. 'You were a first spear, sir?'

'I was.' Aurelius frowned. 'I have served my time, you know.'

Macro was about to say something when Cato coughed loudly, warning his friend off. Before Macro could intervene any further, Cato spoke. 'What are your intentions now, sir?'

'My intentions?'

'Yes, sir. You are the next in the chain of command. Now that Candidus is dead, you are the commander of the forces gathered at Diospolis Magna.'

'Of course I am,' Aurelius replied shortly. 'I know that.'

He stood still for a moment, looking down at his boots, and then nodded to himself. 'I'll summon my senior officers. They have to be informed about Candidus's death. And then we shall set about dealing with the Nubians.' He looked up, straightened his back and cleared his throat. 'We shall meet here at headquarters at noon, gentlemen.' With that he turned and marched back into the entrance of the priest's quarters.

Cato watched him go and then spoke softly. 'What do you make of our new legate?'

Macro dabbed at the sweat on his brow. 'Have to say that I'm not encouraged. It seems that the man's been a professional stylus-pusher throughout his career. I've never seen the like of the Twenty-Second. Must be the cushiest posting in the entire army. Swanning around the Nile while their officers have nothing better to do than wait until it's their turn to take the job of first spear centurion or camp prefect. Gods!' He shook his head in frustration. 'I just hope the other senior officers aren't the same. Or their men. I tell you, Cato, I don't fancy going into battle against the Nubians with a bunch of time-serving bureaucrats at my side.'

Cato nodded as he stared into the mid-distance and Macro sighed wearily. 'All right then, what's on your mind?'

'Sorry?' Cato stirred and looked at his friend vaguely.

'I know that look on your face. The body's there but the mind is off with the muses. So, what are you thinking?'

'We should go and see the survivor of the ambush.'

'Why?'

'There's something not quite right about it.' Cato chewed his lip. 'The decurion seemed to know his business and I could see he wasn't convinced that either the Arabs or the Nubians were responsible for killing the legate. Come on, Macro.'

The hospital had been set up in a large airy pavilion to the rear of the temple complex. The legion's surgeon was doing the rounds of the men on the army's sick list when Cato and Macro located him. Like most of those who served in the same capacity in legions across the Empire, the surgeon was an easterner. His dark face was rimmed with silvery hair, cropped short over his scalp and along his jawline. The creases in his skin told of the long years he had served in the profession. He regarded the two Roman officers coolly as he heard Cato's request to see the wounded man who had been brought into the hospital shortly before.

'He's resting. The man is exhausted and cannot be questioned.'

'It won't take long. I just need to find out one thing. Then he can rest.'

'No,' the surgeon replied firmly. 'I will send word to you when he is in a fit state to talk.' He paused to look at them. 'I do not know your faces. You must be new appointments to the Jackals.'

Cato nodded. 'Senior Tribune Cato and First Spear Centurion Macro.'

'Senior tribune?' The surgeon looked surprised, then bowed his head. 'My apologies, sir. I took you for a more junior officer.'

Macro stifled a smile.

Cato ignored him as he confronted the surgeon. 'And you are?'

'Chief Surgeon Archaelus, sir.'

'Look here, Archaelus, I must speak with your patient. Urgently.'

'I appreciate that, sir, but it is my professional view that it would be detrimental to his recovery, his survival even, if he is put under any further distress.'

Cato had exhausted his cordiality, and hardened his tone. 'I have no time for this. I order you to let me see the patient. At once.'

As chief surgeon, Archaelus carried the notional rank of centurion and was outranked by the legion's senior tribune. An order had been given and there was little he could do but obey. He bowed his head reluctantly. 'If you'd follow me, sir.'

He turned and led them through the pavilion's colonnade and into the more sheltered part of the structure where the priests had held their banquets in the years when Karnak was at the height of its influence. Unlike much of the rest of the temple complex, the walls were covered with painted symbols. Overhead the ceiling was dark blue and covered with five-pointed representations of stars in yellow. Linen screens had been erected around the most severe cases in the hospital, and they kept out the worst of the hot wind and dust.

'Here is your man.' Archaelus indicated a man laying naked, except for his loincloth, on a low cot in the middle of the pavilion's banquet hall. One of the orderlies sat beside the patient, gently daubing an ointment on to the sunburned flesh. Cato could see the blisters on the legionary's face. He had lighter skin than most of the other men and Cato guessed that he must be Alexandrian. As well as the burns on his face and limbs, the man's thighs were bandaged and there was a dressing on the side of his chest. Beneath the blisters and ointment on his face, it was clear that the soldier was strikingly handsome with fine bones beneath his skin.

'What's his name?' asked Cato.

'Optio Carausius.'