
Part of Series
Cressida Cowell, author of How to Train Your Dragon, brings us the next thrilling installment in the internationally bestselling Wizards of Once series! Xar and Wish are heroes with a huge task ahead—confronting the Nuckalavee is not for the faint hearted. 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.
Author

Cressida Cowell grew up in London and on a small, uninhabited island off the west coast of Scotland. She was convinced that there were dragons living on this island, and has been fascinated by dragons ever since. She has a BA in English Literature from Oxford University, a BA in Graphic Design from St Martin's and an MA in Narrative Illustration from Brighton. Cressida loves illustrating her own work, but also loves writing books for other people to illustrate as the end result can be so unexpected and inspiring. Cressida has written and illustrated eight books in the popular Hiccup series. The unique blend of child centred humour and sublime prose made Hiccup an instant hit. How to Train Your Dragon is now published in over 30 languages. A DreamWorks Animation feature film is out in March 2010. Also the author of picture books, Cressida has won the Nestle Children's Book Prize 2006 and has been shortlisted for many others. Cressida lives in Hammersmith with her husband and three children. Her Books:
- How to Train Your Dragon (2003)
- How to Be a Pirate (2004)
- How to Speak Dragonese (2005)
- How to Cheat a Dragon’s Curse (2006)
- How to Twist a Dragon’s Tale (2007)
- A Hero’s Guide to Deadly Dragons (2008)
- How to Ride a Dragon’s Storm (2008)
- How to Break a Dragon’s Heart (2010)
- How to Steal a Dragon's Sword (2011)
- How to Seize a Dragon's Jewel (2012)