Sign-In
CartResults
Filters
Sort by
$16.10
{"Id":28025575,"Title":"The Mystery of the Abecedarian Academy","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Abecedarian Academy","Author":"Arthur, Elizabeth","Ean":"9781965321904","Isbn":"1965321909","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":12953140,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.1,"PriceMax":16.1,"Desirability":49,"PublicationDate":"2025-03-03T00:00:00","Join":null}
$16.10
{"Id":28025593,"Title":"The Mystery of the Brobdingnagian Beast","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Brobdingnagian Beast","Author":"Arthur, Elizabeth","Ean":"9781965321928","Isbn":"1965321925","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":12948630,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.1,"PriceMax":16.1,"Desirability":30,"PublicationDate":"2025-03-03T00:00:00","Join":null}
$16.10
{"Id":28025600,"Title":"The Mystery of the Chimeric Cornucopia","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Chimeric Cornucopia","Author":"Arthur, Elizabeth","Ean":"9781965321942","Isbn":"1965321941","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":12953195,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.1,"PriceMax":16.1,"Desirability":24,"PublicationDate":"2025-03-03T00:00:00","Join":null}
$16.95
{"Id":28157285,"Title":"The Mystery of the Dramaturgical Dagger","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Dramaturgical Dagger","Author":"Arthur, Elizabeth","Ean":"9781965321096","Isbn":"1965321097","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":13118934,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":16,"PublicationDate":"2025-06-03T00:00:00","Join":null}
$25.95
{"Id":29479542,"Title":"The Mystery of the Obdurate Outcast","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Obdurate Outcast","Author":"Arthur, Elizabeth","Ean":"9781965321430","Isbn":"1965321437","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":13492568,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":10,"PublicationDate":"2026-05-03T00:00:00","Join":null}
$25.95
{"Id":29336576,"Title":"The Mystery of the Nebulous Nemesis","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Nebulous Nemesis","Author":"Arthur, Elizabeth","Ean":"9781965321409","Isbn":"1965321402","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":13458005,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":9,"PublicationDate":"2026-04-03T00:00:00","Join":null}
$25.95
{"Id":29943153,"Title":"The Mystery of the Ruritanian Riddle","Authors":["Bauer, Steven","Arthur, Elizabeth"],"ShortTitle":"Mystery of the Ruritanian Riddle","Author":"Bauer, Steven","Ean":"9781965321522","Isbn":"1965321526","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[125298,1298112],"CategoryIds":[672],"FormatId":1,"FamilyId":13578663,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":8,"PublicationDate":"2026-08-03T00:00:00","Join":null}
$25.95
{"Id":28718672,"Title":"The Mystery of the Indefatigable Ink","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Indefatigable Ink","Author":"Arthur, Elizabeth","Ean":"9781965321256","Isbn":"1965321259","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":13308233,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":7,"PublicationDate":"2025-11-03T00:00:00","Join":null}
$16.95
{"Id":28826411,"Title":"The Mystery of the Janusian Jackpot","Authors":["Arthur, Elizabeth","Bauer, Steven A."],"ShortTitle":"Mystery of the Janusian Jackpot","Author":"Arthur, Elizabeth","Ean":"9781965321270","Isbn":"1965321275","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,12152186],"CategoryIds":[672],"FormatId":2,"FamilyId":13330994,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":7,"PublicationDate":"2025-12-03T00:00:00","Join":null}
$25.95
{"Id":28954250,"Title":"The Mystery of the Kaleidoscopic Keychain","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Kaleidoscopic Keychain","Author":"Arthur, Elizabeth","Ean":"9781965321317","Isbn":"1965321313","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":13360831,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":7,"PublicationDate":"2026-01-03T00:00:00","Join":null}
$16.95
{"Id":28954514,"Title":"The Mystery of the Kaleidoscopic Keychain","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Kaleidoscopic Keychain","Author":"Arthur, Elizabeth","Ean":"9781965321300","Isbn":"1965321305","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":13360831,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":7,"PublicationDate":"2026-01-03T00:00:00","Join":null}
$25.95
{"Id":29064162,"Title":"The Mystery of the Labyrinthian Legacy","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Labyrinthian Legacy","Author":"Arthur, Elizabeth","Ean":"9781965321348","Isbn":"1965321348","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":13400631,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":7,"PublicationDate":"2026-02-03T00:00:00","Join":null}
$16.95
{"Id":28157297,"Title":"The Mystery of the Existential Envoy","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Existential Envoy","Author":"Arthur, Elizabeth","Ean":"9781965321126","Isbn":"1965321127","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":13118927,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":6,"PublicationDate":"2025-06-03T00:00:00","Join":null}
$25.95
{"Id":28157307,"Title":"The Mystery of the Factitious Falconer","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Factitious Falconer","Author":"Arthur, Elizabeth","Ean":"9781965321164","Isbn":"196532116X","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":13118930,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":6,"PublicationDate":"2025-06-03T00:00:00","Join":null}
$16.95
{"Id":28419338,"Title":"The Mystery of the Galilean Grindstone","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Galilean Grindstone","Author":"Arthur, Elizabeth","Ean":"9781965321188","Isbn":"1965321186","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":13249994,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":6,"PublicationDate":"2025-09-03T00:00:00","Join":null}
$16.95
{"Id":28609518,"Title":"The Mystery of the Hellenistic Hoard","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Hellenistic Hoard","Author":"Arthur, Elizabeth","Ean":"9781965321218","Isbn":"1965321216","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":13281780,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":6,"PublicationDate":"2025-10-03T00:00:00","Join":null}
$16.95
{"Id":28718671,"Title":"The Mystery of the Indefatigable Ink","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Indefatigable Ink","Author":"Arthur, Elizabeth","Ean":"9781965321249","Isbn":"1965321240","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":13308233,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":6,"PublicationDate":"2025-11-03T00:00:00","Join":null}
$16.95
{"Id":29336567,"Title":"The Mystery of the Nebulous Nemesis","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Nebulous Nemesis","Author":"Arthur, Elizabeth","Ean":"9781965321393","Isbn":"1965321399","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":2,"FamilyId":13458005,"SeriesId":1046428,"LanguageId":56,"PriceMin":16.95,"PriceMax":16.95,"Desirability":6,"PublicationDate":"2026-04-03T00:00:00","Join":null}
$25.95
{"Id":29797163,"Title":"The Mystery of the Quintessential Quiverr","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Quintessential Quiverr","Author":"Arthur, Elizabeth","Ean":"9781965321492","Isbn":"1965321496","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":null,"SeriesId":1046428,"LanguageId":56,"PriceMin":25.95,"PriceMax":25.95,"Desirability":6,"PublicationDate":"2026-07-03T00:00:00","Join":null}
$24.65
{"Id":28025608,"Title":"The Mystery of the Chimeric Cornucopia","Authors":["Arthur, Elizabeth","Bauer, Steven"],"ShortTitle":"Mystery of the Chimeric Cornucopia","Author":"Arthur, Elizabeth","Ean":"9781965321959","Isbn":"196532195X","Publisher":"Hollow Tree Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1298112,125298],"CategoryIds":[672],"FormatId":1,"FamilyId":12953195,"SeriesId":1046428,"LanguageId":56,"PriceMin":24.65,"PriceMax":24.65,"Desirability":5,"PublicationDate":"2025-03-03T00:00:00","Join":null}