The Local War

The Flagship of the Earth fleet investigates the homeworld of aliens who have been wiping out life in 30 galaxies galaxies.
The 11 year old tele-empathic twins Chance and Nigel play a vital part in the investigation with Chance taking a shuttle and getting marooned on the planet.
He has to cope with hostile aliens, bloodsuckers and nocturnal predators.
This book makes fun of sci-fi ideas.