Quick answers

What is Trixie Belden and the secret of the mansion about?

The life of thirteen year old Trixie Belden changes when Honey Wheeler moves into Manor House and they discover Jim Frayne hiding in the old Mansion. Trixie and Honey try to help Jim find the fortune rumoured to be hidden in his Uncle's house before his evil step-father finds him.

When was Trixie Belden and the secret of the mansion published?

Trixie Belden and the secret of the mansion was published in 1948.

Who made Trixie Belden and the secret of the mansion?

Trixie Belden and the secret of the mansion was written by Julie Campbell.