A nice mystery book for kids - with many visual appeals on pages, thanks to illustrations and page layouts. I didn't like to much the beginning - I mean, the main character and her sidekick are presented as an already active investigation couple and that backstory didn't get me too much - but I love the story path, other characters' developments, and - yes - also the finale.
Something to consider, if you're into this kind of narrative - mysteries for young readers - or even if you're just a fan of this artist and you're curious to see how's his writing skill (spoiler: it's quite good!).