@Book{OL7540788M,
    title: {Karen's Plane Trip},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1991},
}

@Book{OL7887222M,
    title: {Karen's Kittycat Club (Baby-Sitters Little Sister, 4)},
    author: {Ann M. Martin},
    publisher: {Scholastic Paperbacks},
    year: {1989},
}

@Book{OL7540350M,
    title: {Karen's sleepover},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1991},
}

@Book{OL24211640M,
    title: {Karen's mystery},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1991},
    place: {New York},
}

@Book{OL24229163M,
    title: {Karen's surprise},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1990},
    place: {New York},
}

@Book{OL7542049M,
    title: {Karen's Black Cat (Baby-Sitters Little Sister)},
    author: {Ann M. Martin},
    publisher: {Little Apple Books (Scholastic)},
    year: {1998},
}

@Book{OL7541745M,
    title: {Karen's School Bus},
    author: {Ann M. Martin},
    publisher: {Scholastic Paperbacks},
    year: {1994},
}

@Book{OL3666983M,
    title: {Karen's cowboy},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {2000},
    place: {New York},
}

@Book{OL3665860M,
    title: {Karen's reindeer},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1999},
    place: {New York},
}

@Book{OL24237507M,
    title: {Karen's book},
    author: {Ann M. Martin},
    publisher: {Scholastic Inc.},
    year: {1998},
    place: {New York},
}

@Book{OL7541749M,
    title: {Karen's Ski Trip},
    author: {Ann M. Martin},
    publisher: {Little Apple},
    year: {1995},
}

@Book{OL1170259M,
    title: {Karen's newspaper},
    author: {Ann M. Martin},
    publisher: {Scholastic Inc.},
    year: {1993},
    place: {New York},
}

@Book{OL1165922M,
    title: {Karen's School Picture},
    author: {Ann M. Martin},
    publisher: {Scholastic Inc.},
    year: {1989},
    place: {New York, NY},
}

@Book{OL1172113M,
    title: {Baby-sitters little sister school scrapbook},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1993},
    place: {New York},
}

@Book{OL1170275M,
    title: {Karen's pizza party},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1993},
    place: {New York},
}

@Book{OL7885498M,
    title: {Karen's Island Adventure},
    author: {Ann M. Martin},
    publisher: {Scholastic Inc.},
    year: {1996},
}

@Book{OL7540349M,
    title: {Karen's grandmothers},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1990},
}

@Book{OL7542036M,
    title: {Bsls \#99},
    author: {Ann M. Martin},
    publisher: {Scholastic Paperbacks},
    year: {1998},
}

@Book{OL1168546M,
    title: {Karen's big weekend},
    author: {Ann M. Martin},
    publisher: {Scholastic Inc.},
    year: {1993},
    place: {New York},
}

@Book{OL1170241M,
    title: {Karen's in love},
    author: {Ann M. Martin},
    publisher: {Scholastic},
    year: {1991},
    place: {New York},
}

@Work{OL8117353W,
    title: {Karen's Secret Valentine},
    author: {Ann M. Martin},
    first_publish_year: {1997}
}

@Work{OL8117327W,
    title: {Karen's Chicken Pox},
    author: {Ann M. Martin},
    first_publish_year: {1999}
}

@Work{OL818018W,
    title: {Karen's in Love},
    author: {Ann M. Martin},
    first_publish_year: {1991}
}

@Author{OL68998A,
    name: {Ann M. Martin},
    birth_date: {1955}
}