First, the aliens' plant life bloomed, then their terrifying creatures hatched and now the aliens themselves have arrived on Earth for a final showdown. Alien-hybrids Anaya, Petra and Seth will have to push themselves further than they ever thought possible if they want to forge an alliance with the alien rebels that will allow their planet to thrive once and for all.
Bloom trilogy ; book three
Oppel, Kenneth, 1967- Overthrow
Oppel, Kenneth, 1967- Overthrow ; bk. 3.
Human-alien encounters -- Juvenile fiction.
Invasive plants -- Juvenile fiction.
Space warfare -- Juvenile fiction.