Campbell, Julie, 1908-1999. Trixie Belden and the secret of the mansion / [electronic resource] / by Julie Campbell ; cover by Jack Wacker.. — Racine, Wis. : : Western Pub. Co.,, c1977.. — 236 p. ; 19 cm. — (Your Trixie Belden library ;) 1. ISBN: 0307215245 (pbk.) 9780307215246 (pbk.) Subjects--Topical Terms: Detective and mystery stories. LC Class. No.: PZ7.C1547 / Se 1977 Dewey Class. No.: Fic