Dear Sir/Ma'am,

Please ?nd enclosed this Amber Amulet. That must sound unusual to a citizen, but you will have to trust me on this count because the science is too detailed for me to outline here. All you need to know is that the Amber Amulet will eliminate your unhappiness by counteracting it with Positive Energy. This should see you straight. Fear not, you’re in safe hands now.

Take care.
The Masked Avenger.

Meet twelve-year-old Liam McKenzie, who patrols his suburban neighbourhood as the Masked Avenger - a superhero with powers so potent not even he can fully comprehend their extent. Along with his sidekick, Richie the Powerbeagle, he protects the people of Franklin Street from chaos, mayhem, evil and low tyre pressure - but can he save them from sadness?

This perfect jewel of a book by the award-winning author will hold all readers in its irresistible power.