**From the author of How to Train Your Dragon: Two young heroes fight
to save their beloved homes in the next thrilling installment of the
internationally bestselling Wizards of Once series.
**Xar and Wish are heroes with a huge task ahead -- confronting the
Nuckalavee is not for the fainthearted. But with Magic and Iron
together, they might just have a chance of saving their beloved homes
from those who seek to destroy everything they hold dear. The third
electrifying book in The Wizards of Once series fizzes with magic and
introduces us to a host of glorious new characters: bears and piskies
and magical pins and needles to name but a few.
Beloved bestselling author Cressida Cowell once again brings her
trademark wit and stunning combination of action, adventure, humor, and
incredible artwork to this epic new adventure, sure to transport and
enchant readers. Stunningly written, magnificent in scope, hilarious and
thrilling, Knock Three Times immerses you in a world you won't ever
wish to leave.