The Bradys Beyond Their Depth; Or, The Great Swamp Mystery

by Francis Worcester Doughty

17. The Missing Engineer; or, Old and Young King Brady and the Lightning Express.

18. The Bradys' Fight For a Life; or, A Mystery Hard to Solve.

19. The Bradys' Best Case; or, Tracking the River Pirates.

20. The Foot in the Frog; or, Old and Young King Brady and the Mystery of the Owl Train.

21. The Bradys' Hard Luck; or, Working Against Odds.

22. The Bradys Baffled; or, In Search of the Green Goods Men.

23. The Opium King; or, The Bradys' Great Chinatown Case.

24. The Bradys in Wall Street; or, A Plot to Steal a Million.

25. The Girl From Boston; or, Old and Young King Brady on a Peculiar Case.

26. The Bradys and the Shoplifters; or, Hard Work on a Dry Goods Case.