Supernaturalist

This is a book about a 14 year old boy called Cosmo Hill, but that's not his real name because he was found by people at the Cosmonaut Hill so they send him to a orphanage. There he got the name Cosmo Hill!

When he is at a bus with his friends and the guards that guard them, the us crashes in to a restaurant then Cosmo and his best friend Chatlock (He is called so because he talks so much) take the chance to run from the orphanage. But when they are at the roof of the restaurant one of the guards try to capture them but then Chatlock falls down and Cosmo falls to because they were chained together to not run away from the
guards.

When Cosmo wakes up he see two blue creatures coming towards them then they seem to suck there life energy, and Cosmo starts to panic when three children's come and blow away the creatures with energy..

But I won't tell you what will happen next, but if you wan't to know what will happen to Cosmo and the creatures that adsorb life energy. You can read it both in Swedish and English.