Into Deepest Space

Sequel to Rockets in Ursa Major

From a great distance the Yela's recorded message crackled through on the micro-earpiece: 'For the time being you have won. But I am not defeated so easily.'

That had been three years ago, after Dick Warboys had repulsed the invading Yela by firing a lithium bomb into the Sun. But now that threat seems near fulfilment as appalled scientists detect the rapid approach of a vast, engulfing cloud of hydrogen. Can humanity survive on Earth or must selected pioneers ...