Acorn Man Savior of the Forest Series 2 Book 2 Green Anarchist

Oliver and Emma Roy are out to rescue the search party members who have been taken hostage by Roland Vass and his people.  However, as Oliver and Emma think they have the upper hand - Roland sees a loophole in his scheme.  He shows the two Mountie parents - Andrew and Steven Roy that it is in the reservation's constitution that the indigenous people could do whatever they want with their land with...