Items with "Firth, Mark" as Credited Author
Note: This list is sorted by the earliest known
dated edition for each title; earlier editions may exist.
2012
The Case of the Silk King (Graded Reader)Chinese Dragons (Graded Reader)
Cup of Death (Graded Reader)
The Jewels of Nabooti (Graded Reader)
Lost on the Amazon (Graded Reader)
Murder in the Family (Graded Reader)
Terror on the Titanic (Graded Reader)