Magical Mountain Rescue (Wildsmith) by Liz Flanagan

From Union Square Kids:

Rowan embarks on one more magical adventure in this exciting conclusion to the Wildsmith series.

When the young prince from her country is kidnapped, Rowan plays an important role in his rescue, crossing treacherous mountain landscapes. Luckily, Rowan's growing abilities as a wildsmith mean she's able to enlist the help of the animals and birds on their path when they encounter particularly tricky problems.

But the rescue party is running out of time; the recently brokered peace may crumble if the prince is not found. Can Rowan rescue the prince and save another magical animal in need?