Spies on parliament hill; esther and ben's investigations

While visiting parliament, cousins & best friends Esther and Ben hear that spies are listening to the MP’s conversations with sophisticated antennas. Where could those antennas be? Who is spying on the Members of Parliament? It’s an exciting mystery to solve for the two cunning cousins! Written in a lively, funny, and adventure-oriented tone, this series of suspense novels will captivate children who will learn a lot of information about key locations across Canada.