The House of Secrets is a thrilling adventure novel by Chris Columbus and Ned Vizzini that follows the Walker siblings as they unravel the secrets of their family’s past. The three main characters in the book are Brendan, Eleanor, and Cordelia Walker.

Brendan Walker is the oldest of the three siblings and is the most daring and adventurous of the three. He is a bit of a loner and prefers to spend his time playing video games and tinkering with computers. He is also the most curious of the three and is always looking for answers.

Eleanor Walker is the middle child and is the most responsible of the three. She is the most organized and the most mature of the three siblings. She is also the most sensitive and is often the one to take care of her siblings when they are in trouble.

Cordelia Walker is the youngest of the three siblings and is the most imaginative of the three. She loves to tell stories and make up adventures for her siblings to go on. She is also the most trusting of the three and often gets into trouble because of it.

The three siblings find themselves on an adventure when their father, Dr. Walker, loses his job in the wake of a mysterious incident. They are forced to move to the mysterious and creepy house of their great-uncle, Dr. Sturgess. As they explore the house, they discover a secret room filled with strange artifacts and clues that lead them on a quest to uncover the truth about their family’s past.

The Walker siblings must work together to unravel the secrets of their family’s past and save their father from the mysterious forces that are trying to keep him from the truth. Along the way, they must face their fears and battle dangerous creatures in order to save their family.

The House of Secrets is an exciting adventure novel that follows the Walker siblings as they uncover the secrets of their family’s past. Brendan, Eleanor, and Cordelia Walker are the main characters in the book and are the three siblings that must work together to uncover the truth. As they explore the mysterious house of their great-uncle, they must battle dangerous creatures and face their fears in order to save their family. The House of Secrets is a thrilling adventure novel that will keep readers on the edge of their seats.