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作者: Jerry Walraven 出版年: 2007-11 页数: 99 定价: $ 13.51 ISBN: 9780615177274
内容简介:
Who left their bones in the old Southerby House? Greg, Johnny, Cari and Maggie christen their new found friend "Billy Boo" and set off to unravel the mystery. Is there a plot to prevent them from finding the truth? Just who is Billy?