00270nam a2200109Ia 4500008004100000020001800041082000800059100001800067245002500085260003400110300001600144250817s9999    xx            000 0 und d  a9780448490052  aKEE  aCarolyn Keene 4aThe Hidden Staircase  aNew YorkbPenguin Housec1987  a"182p,20cm"