num_pages: 104
description: Illustrated in black-and-white. When Papa Bear discovers that almost all of the antiques in the Grizzly mansion have been replaced with fakes, the Bear Detectives spring into action. Could it really be as simple as the butler did it ?  
language: English
title: The Berenstain Bears in Maniac Mansion
titlecomplete: The Berenstain Bears in Maniac Mansion (Big Chaper Books)
genres: Fiction, Childrens, Mystery
ratings_count: 133
series: Berenstain Bears Big Chapter Books, The Berenstain Bears
publisher: Random House Books for Young Readers