Frank Belknap Long 
Fuzzy Head 

For the first time on Earth a human child had been born who could summon us! He was eight years old now, but wise beyond his years and he had summoned us deliberately across space. He had sat, hunched and shivering, in his own small room, staring up at the far-flung constellations. Then, abruptly, he had thrown out his arms and called to us.