The third and final book in the epic HOUSE OF SECRETS series. Get ready for another roller coaster ride of an adventure!

The Walker kids - Cordelia, Brendan and Nell - may have saved the world, but they can't save their home and must leave Kristoff House. Things can't get any worse, but then...

Turns out the Wind Witch is still alive and planning an invasion. To defeat her the Walkers must return to the book world, split up and embark on a dangerous quest - facing aliens, dinosaurs and monstrous creatures from the deep.

The Walkers always have each other's backs, but must go it alone in their most important mission yet. And this time, if they fail, there's no coming back...

This is volume 3 in House Of Secrets .

This book has been graded for interest at 9+ years.

There are 528 pages in this book. This book was published 2017 by HarperCollins Publishers .

Chris Rylander is the author of the Fourth Stall saga. A fan of half-eaten candy canes, earnest failures, and Yahtzee, he lives in Chicago. director, Columbus has been at the helm of such films as Home Alone and Mrs. Doubtfire. Ned Vizzini began writing for New York Press at the age of fifteen. At seventeen he was asked to write a piece for The New York Times Magazine which led to the publication of Teen Angst? Naaah. , a memoir of his years at Stuyvesant High School. Now twenty-two, Ned lives in Brooklyn, New York.