Assistant manager Billy Brown has assured Hearts fans the club is pulling out all the stops to add further quality signings to the capture of Kevin Kyle.
The striker - who played under Jambos boss Jim Jefferies at Kilmarnock - joined the Edinburgh side on a free transfer last Thursday. Jefferies is keen to add more new faces over the summer but Brown says they will only make a move for targets who they are confident are right for Hearts.
He told Hearts News: "We are trying but getting good players - and the right types of players in - isn't easy."
He added: "We know what our aims are - whether we can get them or not we don't know. But we are making every endeavour to bring in one or two more faces if it is at all possible."
Kyle was brought to Kilmarnock by Jefferies in January 2009 after a spell south of the border and impressed enough to earn a recall to the Scotland squad after a five-year absence.
And Brown sees no reason why the big striker cannot force his way into current national team boss Craig Levein's plans if he fulfils his potential at Tynecastle.
He said: "We have signed a player with great experience, who has played at the highest level in England and is a Scottish international.
"If he can get back to the form he showed at that time (at Kilmarnock) I think Craig will be looking at him.
"Whether he is the type Craig wants in the international set-up is another matter.
"His recall the last time was warranted and if he can get back to that level, he must come into the Scotland manager's thinking. He is a big lad and everyone who plays against him is wary. He is a threat and the more threats we can have in the team, the better. He is a handful and is physical."
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