The House of One Hundred Clocks by A.M. Howell is a historical mystery novel set in 1905 that follows the story of twelve-year-old Helena. After the death of her mother, Helena and her father move to Cambridge, where her father takes a job as the clock-winder for Mr. Westcott, a wealthy and eccentric man who owns a grand house filled with one hundred clocks.

The catch? If any of the clocks stop working, Helena’s father will lose his job and all their possessions. As Helena settles into her new life, she begins to sense that something is not quite right. Strange things happen in the house: clocks behave oddly, and secret messages appear.

Helena soon discovers hidden family secrets, uncovers an act of betrayal, and makes a new friend, Florence, as they try to solve the mystery of the clocks. At the heart of the story is a gripping tale of courage, responsibility, and determination, with Helena facing both external challenges and her own fears in a race against time to protect her family.

This novel is perfect for young readers who enjoy mysteries, historical settings, and characters who show bravery in the face of danger.