Hardy Boys 53: The Clue of the Hissing Serpent(Kobo/電子書)

The Shore Road Mystery(Kobo/電子書)

Hardy Boys 56: The Jungle Pyramid(Kobo/電子書)

Hardy Boys 50: Danger on Vampire Trail(Kobo/電子書)

Hardy Boys 58: The Sting of the Scorpion(Kobo/電子書)

Hardy Boys 57: The Firebird Rocket(Kobo/電子書)

Hardy Boys 48: The Arctic Patrol Mystery(Kobo/電子書)

The Tower Treasure(Kobo/電子書)

The House on the Cliff(Kobo/電子書)

Hardy Boys 51: The Masked Monkey(Kobo/電子書)

Hardy Boys 55: The Witchmaster's Key(Kobo/電子書)

Hunting for Hidden Gold(Kobo/電子書)

Hardy Boys 49: The Bombay Boomerang(Kobo/電子書)

Hardy Boys 54: The Mysterious Caravan(Kobo/電子書)

The Tower Treasure(Kobo/電子書)

The Tower Treasure(Kobo/電子書)

The Secret of the Old Mill(Kobo/電子書)

The House on the Cliff(Kobo/電子書)

The Secret of the Old Mill(Kobo/電子書)

The Hardy Boys Collection(Kobo/電子書)

The House on the Cliff(Kobo/電子書)

The Tower Treasure(Kobo/電子書)

The Secret of the Old Mill(Kobo/電子書)

The House on the Cliff(Kobo/電子書)

The Secret of the Old Mill(Kobo/電子書)

Hunting for Hidden Gold(Kobo/電子書)

The Missing Chums(Kobo/電子書)

The Tower Treasure(Kobo/電子書)

The Tower Treasure(Kobo/電子書)

The House on the Cliff(Kobo/電子書)

The Shore Road Mystery(Kobo/電子書)

The Missing Chums(Kobo/電子書)

The Secret of the Caves(Kobo/電子書)

Hardy Boys 14: The Hidden Harbor Mystery(Kobo/電子書)

Hardy Boys 21: The Clue of the Broken Blade(Kobo/電子書)

Hardy Boys 42: The Viking Symbol Mystery(Kobo/電子書)

Hardy Boys 30: The Wailing Siren Mystery(Kobo/電子書)

Hardy Boys 16: A Figure in Hiding(Kobo/電子書)

Hardy Boys 19: The Disappearing Floor(Kobo/電子書)

Hardy Boys 41: The Clue of the Screeching Owl(Kobo/電子書)