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$15.95
{"Id":28747539,"Title":"The Secret of Terror Castle","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Secret of Terror Castle","Author":"Arthur, Robert","Ean":"9781969498008","Isbn":"1969498005","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":12021280,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":41,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747553,"Title":"The Mystery of the Stuttering Parrot","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Stuttering Parrot","Author":"Arthur, Robert","Ean":"9781969498022","Isbn":"1969498021","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":11622556,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":30,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747572,"Title":"The Mystery of the Fiery Eye","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Fiery Eye","Author":"Arthur, Robert","Ean":"9781969498121","Isbn":"1969498129","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":13312774,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":19,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747558,"Title":"The Mystery of the Whispering Mummy","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Whispering Mummy","Author":"Arthur, Robert","Ean":"9781969498046","Isbn":"1969498048","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":11521157,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":17,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747578,"Title":"The Mystery of the Silver Spider","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Silver Spider","Author":"Arthur, Robert","Ean":"9781969498145","Isbn":"1969498145","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":11218020,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":17,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747561,"Title":"The Mystery of the Green Ghost","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Green Ghost","Author":"Arthur, Robert","Ean":"9781969498060","Isbn":"1969498064","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":13312882,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":16,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747570,"Title":"The Secret of Skeleton Island","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Secret of Skeleton Island","Author":"Arthur, Robert","Ean":"9781969498107","Isbn":"1969498102","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":12210948,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":13,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747583,"Title":"The Mystery of the Screaming Clock","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Screaming Clock","Author":"Arthur, Robert","Ean":"9781969498169","Isbn":"1969498161","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":13312818,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":13,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747657,"Title":"The Mystery of the Screaming Clock","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Screaming Clock","Author":"Arthur, Robert","Ean":"9781969498589","Isbn":"1969498587","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":13312818,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":12,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747626,"Title":"The Mystery of the Whispering Mummy","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Whispering Mummy","Author":"Arthur, Robert","Ean":"9781969498527","Isbn":"1969498528","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":11521157,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":11,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747566,"Title":"The Mystery of the Vanishing Treasure","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Vanishing Treasure","Author":"Arthur, Robert","Ean":"9781969498084","Isbn":"1969498080","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":12212415,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":10,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747630,"Title":"The Mystery of the Green Ghost","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Green Ghost","Author":"Arthur, Robert","Ean":"9781969498534","Isbn":"1969498536","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":13312882,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":10,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747662,"Title":"The Mystery of the Talking Skull","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Talking Skull","Author":"Arthur, Robert","Ean":"9781969498596","Isbn":"1969498595","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":13312824,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":9,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$15.95
{"Id":28747590,"Title":"The Mystery of the Talking Skull","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Talking Skull","Author":"Arthur, Robert","Ean":"9781969498183","Isbn":"1969498188","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":2,"FamilyId":13312824,"SeriesId":1106649,"LanguageId":56,"PriceMin":15.95,"PriceMax":15.95,"Desirability":8,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747604,"Title":"The Secret of Terror Castle","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Secret of Terror Castle","Author":"Arthur, Robert","Ean":"9781969498503","Isbn":"1969498501","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":12021280,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":8,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747651,"Title":"The Mystery of the Silver Spider","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Silver Spider","Author":"Arthur, Robert","Ean":"9781969498572","Isbn":"1969498579","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":11218020,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":8,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747609,"Title":"The Mystery of the Stuttering Parrot","Authors":["Arthur, Robert","Bauer, Steven","Artthur, Elizabeth"],"ShortTitle":"Mystery of the Stuttering Parrot","Author":"Arthur, Robert","Ean":"9781969498510","Isbn":"196949851X","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,125298,12103639],"CategoryIds":[893],"FormatId":1,"FamilyId":11622556,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":7,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747635,"Title":"The Mystery of the Vanishing Treasure","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Vanishing Treasure","Author":"Arthur, Robert","Ean":"9781969498541","Isbn":"1969498544","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":12212415,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":7,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747644,"Title":"The Secret of Skeleton Island","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Secret of Skeleton Island","Author":"Arthur, Robert","Ean":"9781969498558","Isbn":"1969498552","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":12210948,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":7,"PublicationDate":"2025-11-10T00:00:00","Join":null}
$23.95
{"Id":28747646,"Title":"The Mystery of the Fiery Eye","Authors":["Arthur, Robert","Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Fiery Eye","Author":"Arthur, Robert","Ean":"9781969498565","Isbn":"1969498560","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[286961,1298112,125298],"CategoryIds":[893],"FormatId":1,"FamilyId":13312774,"SeriesId":1106649,"LanguageId":56,"PriceMin":23.95,"PriceMax":23.95,"Desirability":6,"PublicationDate":"2025-11-10T00:00:00","Join":null}