#include "Volume.h"
#include <iostream>

Volume::Volume( const string& a, const string& t, int n ) :
  Book( a, t ), volNumber_( n ) {
  cout << "costruisco Volume(" 
       << author() << ", " << title() 
       << ", " << volNumber() << ")" << endl;
}

void Volume::print() const {
  cout << author() << ": " << title() << ", vol. " 
       << volNumber() << ". " << endl;
}