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$14.99
{"Id":29439326,"Title":"Proven Prime Killer Sudoku","Authors":["Euler Ai"],"ShortTitle":"Proven Prime Killer Sudoku","Author":"Euler Ai","Ean":"9781608887965","Isbn":"1608887960","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":14.99,"PriceMax":14.99,"Desirability":1,"PublicationDate":"2026-05-15T00:00:00","Join":null}
$16.24
{"Id":29439318,"Title":"Proven Killer Sudoku: Easy to Medium","Authors":["Euler Ai"],"ShortTitle":"Proven Killer Sudoku: Easy to Medium","Author":"Euler Ai","Ean":"9781608887934","Isbn":"1608887936","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":16.24,"PriceMax":16.24,"Desirability":0,"PublicationDate":"2026-05-01T00:00:00","Join":null}
$16.24
{"Id":29439322,"Title":"Proven Killer Sudoku: Hard to Expert","Authors":["Euler Ai"],"ShortTitle":"Proven Killer Sudoku: Hard to Expert","Author":"Euler Ai","Ean":"9781608887941","Isbn":"1608887944","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":16.24,"PriceMax":16.24,"Desirability":0,"PublicationDate":"2026-05-01T00:00:00","Join":null}
$18.74
{"Id":29439324,"Title":"Proven Miracle Sudoku","Authors":["Euler Ai"],"ShortTitle":"Proven Miracle Sudoku","Author":"Euler Ai","Ean":"9781608887958","Isbn":"1608887952","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":18.74,"PriceMax":18.74,"Desirability":0,"PublicationDate":"2026-05-15T00:00:00","Join":null}
$14.99
{"Id":29439327,"Title":"Proven Samurai Sudoku","Authors":["Euler Ai"],"ShortTitle":"Proven Samurai Sudoku","Author":"Euler Ai","Ean":"9781608887989","Isbn":"1608887987","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":14.99,"PriceMax":14.99,"Desirability":0,"PublicationDate":"2026-06-01T00:00:00","Join":null}
$16.24
{"Id":29439328,"Title":"Proven Jigsaw Sudoku","Authors":["Euler Ai"],"ShortTitle":"Proven Jigsaw Sudoku","Author":"Euler Ai","Ean":"9781608887996","Isbn":"1608887995","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":16.24,"PriceMax":16.24,"Desirability":0,"PublicationDate":"2026-06-01T00:00:00","Join":null}
$14.99
{"Id":29439330,"Title":"Proven Thermo Sudoku","Authors":["Euler Ai"],"ShortTitle":"Proven Thermo Sudoku","Author":"Euler Ai","Ean":"9781608888009","Isbn":"1608888002","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":14.99,"PriceMax":14.99,"Desirability":0,"PublicationDate":"2026-06-15T00:00:00","Join":null}
$14.99
{"Id":29439331,"Title":"Proven Arrow Sudoku","Authors":["Euler Ai"],"ShortTitle":"Proven Arrow Sudoku","Author":"Euler Ai","Ean":"9781608888016","Isbn":"1608888010","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":14.99,"PriceMax":14.99,"Desirability":0,"PublicationDate":"2026-06-15T00:00:00","Join":null}
$16.24
{"Id":29439332,"Title":"Proven Anti-Knight Sudoku","Authors":["Euler Ai"],"ShortTitle":"Proven Anti-Knight Sudoku","Author":"Euler Ai","Ean":"9781608888023","Isbn":"1608888029","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":16.24,"PriceMax":16.24,"Desirability":0,"PublicationDate":"2026-07-01T00:00:00","Join":null}
$16.24
{"Id":29439333,"Title":"Proven Puzzles Variety Pack Vol. 1","Authors":["Euler Ai"],"ShortTitle":"Proven Puzzles Variety Pack Vol. 1","Author":"Euler Ai","Ean":"9781608888030","Isbn":"1608888037","Publisher":"Proven Puzzles","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[12466053],"CategoryIds":[1028,1127,1205],"FormatId":2,"FamilyId":null,"SeriesId":1150554,"LanguageId":56,"PriceMin":16.24,"PriceMax":16.24,"Desirability":0,"PublicationDate":"2026-07-01T00:00:00","Join":null}