The Riddle of Daralis — Georgina Makalani

A giant heart beats in a little chest,
it travelled there via the raven west.
Dark salmon scales may mark the way,
but amongst the wolves it shall stay.

Iski Flare is commissioned by a King to find his lost sons. Now he is following the youngest prince on his quest to save a princess from a heartless giant. Armed with a new sword and a map he isn't very sure of; the only clues they have to follow are wrapped up in a riddle that may hide more than it tells. But it may be harder to find a giant's heart than they thought, and finding it might not be enough.