Hana and Ace help the animals of Moonlight uncover the identity of a mysterious creature in this exciting Moonlight Mystery Agency adventure from bestseller Vashti Hardy.

A strange creature with great big paws and a terrible growl is roaming the land of Moonlight. No one knows what it can be, so they've called in Hana and Ace the detective cat of the Moonlight Mystery Agency.

Can Hana and Ace puzzle out what's going on, and will solving the mystery help Hana find the answer to some worries of her own?