The Mummy Case

Running on Empty (Hardy Boys Casefiles #36)

The Twin Dilemma

Danger Overseas (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #2)

The Secret Lake

The End of the World and Beyond (Oliver Cromwell Pitts)

The Secret of Skeleton Island

The Gas-fitters' Ball (The New Cut Gang)

The Hardy Boys

The Hardy boys' search in Kyoto, Japan for a stolen samurai sword takes them on a perilous journey to Hong Kong and into the clutches of a band of notorious smugglers.

Friendship

Courage

Adventure

Perseverance

Identity

National Pride

The Secret of the Samurai Sword

Discover Your Child's Next Read

The Mummy Case

Franklin W. Dixon, 1980

Running on Empty (Hardy Boys Casefiles #36)

Franklin W. Dixon, 1993

The Twin Dilemma

Franklin W. Dixon, Carolyn Keene, 1993

Danger Overseas (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #2)

Franklin W. Dixon, Carolyn Keene, 2008

The Secret Lake

Karen Inglis, 2011

The End of the World and Beyond (Oliver Cromwell Pitts)

Avi, 2019

The Secret of Skeleton Island

Robert Arthur, 1966

The Gas-fitters' Ball (The New Cut Gang)

Philip Pullman, Mark Thomas, 1995