Superluminary book 3. Spoilers ahead.
It opens with Aeneas holding a family council discussing humanity's escape and the problems they face. It includes a revelation of more danger and death.
It involves discovering Lord Tellus's hidden purposes for mad acts; treachery and its discovery; Tell family members turning down knowledge and power because they must get it from Lady Venus; those suns that can destroy vampires with their light; black holes; immensely long interstellar jumps; a question of galaxies, and more